根据句意选择正确的词组填空，注意使用正确形式：(每个小题1分，共10分)

1. Mr. Ma is always serious and doesn’t like to _______________ others.

2. Before agriculture __________, people made their living by hunting wild animals. 

3.All of the guests had arrived by 9 o’clock, but the host didn’t ___ until 15 minutes later.

4. The boy _____________________ becoming a pilot.   

5.I should like to buy a house, modern, comfortable, and ________, in a quiet place. 

6. The little boy _______________ the radio to see what was wrong with it.   

7.My teacher has always ______help endangered species and now she has the chance.

8.The film ________________ on a real story happening in a mountain village.  

9.I like picture books very much. __________________, I am also interested in novels. 

10. He often __________________ what the teacher says and take notes in class. 

He came back late, _______ which time all the guests had already left.

  A. after                            B. by                            C. at                                               D. during

He came back late, _______ which time all the guests had already left.

  A. after                     B. by                    C. at                                   D. during

All of the guests had arrived by 9 o'clock，but the host didn't ________ until 15 minutes later.

A. turn down 　　　 B. turn in

C. turn up 　　　　 D. turn out

All of the guests had arrived by 9 o'clock，but the host didn't ________ until 15 minutes later.

A．turn down 　 B．turn in

C．turn up 　　　　 D．turn out