_____ the environment is important for human beings.A. Take care of B. Taking ca
题型：同步题难度：来源：
| _____ the environment is important for human beings. |
A. Take care of
B. Taking care of
C. Took care of
D. Take the care of |
答案
举一反三
—It"s too late now. Is Jane still at her desk?
—Yes, she always has trouble ______ her homework. |
A. finish
B. finishing
C. to finish
D. finished |
| ______ English movies is a good way to learn English. |
A. Watch
B. Watches
C. Watching
D. Watched |
| All of us preferred _____ to _____ there by bus. |
A. walking, go
B. to walk, go
C. to walk, going
D. walking, going |
| The old men enjoy _____ in the sunshine. |
A. to lie
B. lie
C. lying
D. lies |
－John speaks Chinese quite well.
－So he does. He practices _____ Chinese every day. |
A. speaking
B. speak
C. speaks
D. to speak |
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