I could not persuade him to accept it,（）make him see the importance of it.

Since we can't hear you at the back of the hall, you'll have to（）your voice.

The aircraft vanished without（）

He never（）to read the news but turned at once to the crossword puzzle on the last page.

An explosion is a sudden increase in amount（）

Our department（）courses in several foreign languages.

She is very nice, but because she has a（）way of speaking, she is slow in making friends

（）students often find it difficult to live in China at first.

He（）for military service against the wishes of his parents.

Mr. Edward was not in, so his brother acted as （）at the party.