The discovery of the antibiotic penicillin in 1928 has not produced antibiotics useful for treatment of infectious diseases until 1940.

What time __________ the news on TV? 

Chemical engineering is based on principles of physic, chemist, and mathematic

He is jealous ________ his rival’s success. 

My cousin composes not only the music, but also sings the songs for major Broadway musicals.

I think Martha was pleased _________ the gift I gave her for her birthday. 

In a medical study of nearly 5.000 adults, half of them were given one aspirin a day and the other half given a placebo, it was found those taking Aspirin suffered 38 percent fewer heart attacks than those who weren’t

You’ll find that this tool is very useful ________ many different things. 

There are two films on TV this evening. Which ............ would you prefer to see?

Some cteria are extremely harmful, but anothers are regularly used in producing cheeses, crackers, many other foods.

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

Why did all the customers at  the Red Lion have to  pay off pay off their beer that week?

One inventor that Thomas Edison can take credit fo is the light bulb

Once the scientist had figured out the precise path the comet, he is finding that he was able to predict next appearanc

We must be very careful with sensitive issues such like this, to avoid give offence.

In 1977, Kathleen Battle was hired by New York Metropolitan Opera, where her  became the star soprano.

River transportation in the United States consist primarily barges pull by towboats.

In the United State, the Cabinet consist of a group of advisers, each of whom is chosen the President to head an executive department of the government.

According to most psychological studies, body language expresses speaker’s emotions and attitudes, and it also tends to affect emotions and attitudes of the listen.

Most country music songs are deeply personal and deal with (themes of love, laonely, and separation

Choose the best option:

Thank you very muck for your gift on my birthday.