6. She said she had some trouble ___________ her homework.

　　 A. finish　　　　 B. finishing　　　 C. to finish　 D. finished

5. Do you enjoy __________ on the Internet?

　　 A. surfing　　　 B. surf　　　　　 　C. to surf　　 D. surfed

4. Tom decided __________ in China.

　　 A. travel　　　 B. traveling　　　 C. to travel　　 D. traveled

3. It’s Sunday today. What about __________ the mountains?

　　 　A. to climb　　 B. climb　　　　 C. climbing　 D. climbed

2. If you practice ________ English every morning, you will improve it quickly.

　　 A. to read　　　 B. reading　　　 C. read　　　 D. be reading

1. He learnt English by ____________ English songs.

　　 A. listen　　　 B. listen to 　　C. listening　　 D. listening to

5. I really don’t know how to _____________ the problem?　 (处理)

4. He was very ___________ by what his father did.　　　 (使感动)

3. We should not be afraid of any ____________ outside.　 (挑战)

2. Yesterday he ___________ that he made a lot of mistakes at last.　 (认识到)