2 . Tan Dun is most widely known for c_________ (作曲) the film Crouching Tiger, Hidden Dragon. (根据中英文提示拼写单词)

3 . Being a clown doctor means I can help people by e________ (使快乐) them. (根据中英文提示拼写单词)

4 . —Why do people often have trouble ______ English?
—Well, I think English can be a crazy language to learn.

A．learn

B．to learn

C．learning

D．learned

5 . Paul has always regretted ________ harder at school when he was young.

A．not having studied	B．to not have studied
C．not being studied	D．to not study

6 . Today, millions of Brits like to say that they have “green fingers”, with around half the population ________________ (把空闲时间用在打理花园上). (根据汉语提示完成句子)

7 . The flat terraces catch the rainwater and ________________ (防止土壤流失). (根据汉语提示完成句子)

8 . When I’m on holiday, I enjoy ________ with my old friends.

A．to travel

B．traveled

C．traveling

D．travel

9 . I asked the kids to go out to play, because I wasn’t accustomed to ______ when I was working.

A．interrupting

B．interrupt

C．interrupted

D．being interrupted