5. That region has plenty of natural resources 　　　　　　　　　this one has none.

4. We will have no water to drink 　　　　　　　　　we don’t protect the earth.

3. Much to my surprise, she agreed, 　　　　　　　　　we had separate rooms and made our own travel arrangements.

2. You must keep on working in the evening, 　　　　　　　you are sure you can finish the task in time.

一、选择适当的连接词，完成下列句子。

1. 　　　　　　　　　I know the money is safe, I shall not worry about it.

9. If only I _____ how to operate an electronic computer as you do.

A. had known　　　 B. would know　　　 C. should know　　 D. knew

Keys： CBDC CCBBD

8．It is required that you ____ at six.

A. will arrive　　　　 B. arrive　　　　　 C. arrived　　　　　 D. would arrive

7．I’d rather you ___ right away.

　A.　leave　 B.　 Left　 C.　 will leave　D.　 to leave

6．It is strange that such a thing ___ in your school.

A.　will happen　B.　 happens　C.　 should happen　 D.　 happened

5．I didn’t go to the party, but I do wish I ___ there.

A.　was　B.　 were　C.　 had been　D.　 went