. As a result of destroying the forests, a large ___ _ of desert___ covered the land.

Many more policeman should be sent to ________them ________some endangered animals.

_____ is known to all is that effective measuresshould be taken to deal with the problem of the over-exploiting of ourresources

Digital cameras are becoming very popular,though some still _____ too much.

Let’s have a party this Sunday.—_______. We’ll have a good time.