答案:until

四、句型转换(将下列句子变为否定句)

1.They're listening to pop music now.

答案:They aren't listening to pop music now.

2.You must make your bed after you get up every day.

答案:You don't have to make your bed after you get up every day.

3.His mother has a beautiful car.

答案:His mother doesn't have a beautiful car.

4.We need a pen and a piece of paper.

答案:We don't need a pen and a piece of paper.

5.The old man always goes for a walk in the park after supper.

答案:The old man seldom goes for a walk in the park after supper.

6.You'd better talk with your parents right now.

答案:You'd better not talk with your parents right now.

五、翻译句子

1.对他的成绩我们怎么赞扬也不过分。

答案:We can hardly praise his achievement too much.

2.他刚进办公室,电话铃就响了。

答案:No sooner had he entered the office than the telephone rang.

3.只有傻瓜才会做这种事情。

答案:None but a fool would do such a thing.

4.她是班里最自私的了。

答案:Nobody is more selfish than her in the class.

5.他的失败完全是由于他自己的粗心大意。

答案:His failure was due to nothing else than his own carelessness.