单项选择题

It is said that with more forests（）huge quantities of good earth are being washed away.

A. being destroyed
B. destroyed
C. destroying
D. to destroy

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单项选择题
George wasn’t in class today. Professor Brown excused him （）

A. of attending
B. from attending
C. to attend
D. attending
单项选择题
It’s reported that by the end of the month the output of cement in the factory（）about 10%.

A. will have risen
B. has risen
C. will be rising
D. has been rising
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