The New Mexico Environment Department found E.coli by conducting water analysis. Residents are advised __________ water for three minutes before using it for drinking, cooking, brushing teeth, or watering plants.

Created by the ancient Romans in the first century A.D., the arche is an engineering marvel. _________, the foces of a Roman arch were so strong that arches can stand without any glue or other adhesive holding them together.

John F. Kennedy was the 35th president of the United States. Before he died, he had been so popular with Americans because he asked people to join together and fight against poverty and war. He was shot while he ____________ in the Lincoln Continental.

Jake goes jogging every morning as the doctor advised him. He said that it would help the heart. He _____________ this morning as well, if he had not bing-watched all last night.

The International Energy Agency says solar electricity is now being made more cheaply than any other method of production. __________, solar panels currently only convert around a fifth of the sun's energy that falls on them into electricity.

Coffee blends can have good quality and flavor. However, Arabica beans are more desirable than other types. This is beacuse if one ________ good at roasting, other varieties could not be good enough.

My brother's family stopped by my parents' house today on the way to the nephew's campus tour. I drove there shortly after getting off work, but there is a lot of traffic on the highway. As soon as I arrive, they _________ for the University of Arkansas.

We need ________ more water throughout the warmer days as the body loses more water naturally through sweating. Also, you should abstain from oudoor exercising. If you go out, don't forget to apply sunscreen.

The world's oceans were the hottest in recorded history in 2020. Oceans absorb more than 90 percent of excess heat created by greenhouse gas emissions. This __________ marine life, if people didn't control global warming.

The large icicles that form on many homes and buildings are dangerous. Icicles are rarely sharp enough to penetrate your skin or spear you, but they __________ cause bad bruises and even borken bones.

Ted got a temporary driving license as soon as he turned seventeen. Although he passed both the written exam and driving course test in on go, at the monent he ___________ difficulty in parallel parking.

The reaction to stress and anxiety includes ___________ one's teeth. Certain self-help measures like stress reduction and mindfulness may help. However, If you have chronic pain, you should seek professional help.

This building is very vulnerable to noise transter between rooms. When I moved into this building, the janitor advise that residents ________ the washing machine or vacuum. Turning up the music very loud is also restricted.

An elevator of the twenty-story building is out of order. Mike's office iss on the fifteenth floor and he couldn't help _______ the stairs. He required the building manager to fix this problem as soon as possible. His knees are getting weakened.

Now Becky is working on how people react to external pressures. She leads the three of social experiments and will publish them to the academic world. By the time she graduates, she __________ psychology for about three years.

When traveling on a commercial airline, you can bring only one cigarette lighter that uses a flammable gas. However, it is only allowed in carry-on bags or in your pocket and you ________ make sure to take it on a plane.

Honeybees travel a lot of miles to search for nectr and return to their hives. They are great assistants ___________, especially botanists. Analyzing pollen grains in honey shows how local fields and wild space changed.

It is well-known that filming for the drama is so demanding that all the staffs suffer from lack of sleep and tiredness. Brody was one of the staff who was producing a soap opera, and he _________ 3 days staight when he passed out.

In 2007, a Dragon boat carrying a 22-member team overturned in the river after strong currents. Five members of the team were sucked and lost their lives. Had the boat been larger, much more people ________.

Baggage handlers at Berlin's new airport disclosed _________ electric shocks from scanners. Affected workers have complained of significant pain, dizziness, and numbness, and ambulances have been called on four occasions this month.

Pinhole cameras were one of the earliest types of cameras. They use the principle of "camera obscura," _______ in a dark box to form a picture. It's the same science that today's cameras use.

Certain items should not be left in a freezing cold car become dangerous. If you ________ drugs whiche were too cold, it could have caused stomach or kidney damage.

Pores are small openings in the skin that release oils and sweat. Althought it is recommended that one ______ a gel-based cleanser for dry skin to minimize their appearance.

She got on the indoor bike this morning and ________ for almost tow hours already. After burning up 1,000 calories, she will try out the chicken breast salad she ordered yesterday. As a matter of fact, she is enjoying all these efforts.

For the fist time in Canadian history, the person representing the Queen in Canada has quit in controversy. The report has not been made public yet, but if there were not a review of complaints, she ________ her resignation.

My grandmother grows blueberry and she always sends it every year. This is probably because she is concerned about my wearing glasses. She unges that I _________ 100 grams of blueberry a day.