across the enemy line.
A. to risk going B. risking to go C. for risk to go D. risk going
5. I found the door _____ when I got home.
A. opened B. close C. unlocking D. open
6. The boy wanted to ride his bicycle in the street, but his mother told him ___.
A. not to B. not to do C. not do D. do not to
7. I couldn’t do my homework with all that noise____.
A. going on B. goes on C. went on D. to go on
8. With a lot of difficult problems_____, the newly-elected president is having a hard time.
A. settled B. settling C. to settle D. being settled
9. I advised _____ at once.
A. him to starting B. him to start C. to starting D. to start
10. When I put my hand on his chest, I could feel his heart still ____.
A. beat B. to be beating C. beating D. was beating
11. You had better get a doctor _____ your bad tooth.
A. pull out B. to pull out C. pulled out D. pulling out
12. He managed to make himself with his____ English.
A. understand; breaking B. understand; broken
B. C. understood; breaking D. understood; broken
1-5 CCAAD 6-10 AACBC 11-12 BD
The teacher asked us to do a lot of homework . ( 动词不定式)
I hear a girl singing in the next room. (现在分词)
I put the book on the desk. (介词短语)
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