If I could speak two languages last years, I would have got a good job.

Excavations in some villages on the east bank(A) of the Euphrates River have revealed(B) an ancient community that had been laying (C) under later (D) reconstructions of the city of Babylon.

Although Nam worked very hard, but he didn’t pass the final exam.

A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

By measuring the color of a star, astronomers can tell how hot is it.

There are many different ways of comparing the culture of one nation with those of another.

The chief of police demanded from his assistants an orderly investigation, a well-written report, and that they work hard.

Proteins are made up of folded irregularly chains, the links of which are amino acids.

I was amazed that Smith showed so few grief at his mother’s death.

Had it not been for you help me, I wouldn't have succeeded.

Once you have finished an article and identified its main ideas, it may not be necessary to reread it again.

I enjoy reading the article that you told me about it yesterday.

Unlike the old one, this new copier can perform their functions in half the time.

She wishes that we didn’t send her the candy yesterday because she’s on a diet.

After spending two days arguing about where to go for their holidays, is was decided that they shouldn’t go anywhere.

Before went abroad, he had finished his English course at the English-speaking Center.

Working provide people with personal satisfaction as well as money.

Despite America’s affluence, many people are without jobs, on welfare, and have a lot of debts.

Some species of bats are dormant each days and active every night.

He passed the exams with high scores, that made his parents happy.

The assumption that smoking has bad effects on our health have been proved.