4. He didn’t study hard, so he didn’t pass the exam.

　 If he had studied hard, he _________ __________ ___________ the exam.

3.Give him some more help if it is necessary.

　 Give him some more help ________ _______________.

2. The United Kingdom consists of Great Britain Northern Ireland.

　 The United Kingdom is ______ _______ _______ Great Britain Northern Ireland.

每空填一词，使该句与所给句子的意思相同

1. We can learn English well only in this way.

　 Only in this way _______ we ________ English well.

10.　 The _____________(文明) of mankind has taken thousands of years.

9. The ___________(压力) of studies drives the boy to drop out of school.

8. Will the headmaster attend the opening ______________(典礼)?

7. There has been a heated _____________(辩论) about the plan.

6. The police finally found some _____________(有价值的) clues about the case.

4. The lady was ____________(指控) of killing her husband. 5. Under the doctor’s careful _____________(治疗), your father is sure to get over it.