摘要： --There is a lot of wind in North China. --Well, more trees every year to stop the wind. A. must be planted B. can planted C. should planted
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-There is a lot of wind in North China.
-Well, more trees _ every year to stop the wind.
-Well, more trees _ every year to stop the wind.
[ ]
A. must be planted
B. can planted
C. should planted
D. must planted
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B. can planted
C. should planted
D. must planted
—There is a lot of wind in North China.
—Well, more trees ______ every year to stop the wind.
—Well, more trees ______ every year to stop the wind.
[ ]
A. must be planted
B. can planted
C. should planted
查看习题详情和答案>>
B. can planted
C. should planted