The bus was plenty of people who had spent many a happy hour shopping at the new.

Neither his parents nor his teacher are satisfied with his result when he was at school.

He has a great deal of books most of which are on science and technology.

My pen has very few ink in it, so could you give me some

My sister told me that she had met my teacher at the supermarket yesterday.

The workers went on strikes because of they thought their wages were low.

Having finished his tem paper before the deadline, it was delivered to professor before the class.

Developing new technologies are time-consuming and expensive.

The governor, with his wife and children, are at home watching the election results on TV.

Although most species of small birds gather in groups at feeders provided by bird-watchers, the bright red cardinals usually appears alone or with its mate.

Minh Hanh, who is one of the most famous fashion designers in Vietnam, are preparing for a new show.

The longer the children waited in the long queue, the more impatiently they became

However type of raw materials is used in making paper, the process is essentially the same.

It is the recommendation of many psychologists that a learner ought to use mental images to associate word and remember them.

A beaver uses its strong front_teeth to cut down trees and peel_off its bark.

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

By the mid-nineteenth century, land was such expensive in large cities that architects began to conserve space by designing skyscrapers.

Her weigh has increased remarkably since she began receiving treatment.

It is vitally important that she takes this medication night and morning.

Dinosaurs became extinct millions of years ago because of the earth's climate changed drastically.

Mai and Lan have a row because they have misunderstood one another.