The number of teaching assistants required meeting undergraduate course needs is rapidly increasing.

Bacteria are responsible of many of the textures and flavors in our food and are particular important in milk products.

The news today are always full of stories about people who are unhappy

Disease is not as widespread than before because of better preventive medicine and vastly improved nutrition.

The workers are building a new bridge which is 150 meters in high.

“I’m not staying any longer.” “I wish you ____.” 

The most of the energy used in our homes and factories is generated from coal, oil and natural gas

Each stanza of a poem has a repeatable pattern of meter and rhyme and is normally division from the following stanza by a blank line.

They met him at the party last night, _    ?

A smile can be observed, described, and reliably identify; it can also be elicited and manipulated under experimental conditions

It is necessary that the director will sign all the copies, not just the top one

After the accident there was a solid line of cars stretched back for several miles

To survive , most birds must eat at least half their own weigh in food every day

Wealthy weapeople have always desired and wear precious stones because their beauty is lasting.

Some of us have to study their lessons more carefully if we expect to pass this examination.

After a while, the track we have been following became thick undergrowth.

The most common form of treatment it is mass inoculation and chlorination of water sources

We really enjoyed the children’s imaginative and excited play last Saturday.

Not everyone believes that ..................technology has improved .................. quality of people's lives. 

Choose the correct answer to complete the sentence. "Global warming has severe impact_____ water supplies."

Life expectancy has increased a great deal in spite of modern medicine and technology.