Complete the following sentences.

1. She _____(瞥)at him shyly and then lowered her eyes, saying nothing at all.

2. No matter who points out our ______(缺点), we should correct them.

3. Whenever my sisters meet, they always end up q______.

4. Mary made an a______ with the lawyer at six.

5. Without a moment's_______(hesitate), she jumped into the cold river following the child.

6. No one knows how this world came into ________(exist).

7. He went to Washington, _______(leave) the children behind with their mother.

8. We only suggest or advise _______ _______ (而不是) give orders.

9. They would go swimming together when they were children. They ______ ______ go

    swimming together in their childhood.

10."I was driving carefully when my car hit the tree." he told the police. He told the police that he

      _____ _______ _____ carefully when his car hit the tree.

11. They _______ us $150,000 _____ the house. Shall we buy it?

这房子他们要卖给我们15万美元.

12. He offered to ______ _____ _____ after work, _______ really surprised me.

提议下班后来接我,这真使我大吃一惊.