问题
With more forests being destroyed, large amounts of good earth _____ each year. [ ]
A: is washing away
B: is being washed away
C: are washing away
D: are being washed away
B: is being washed away
C: are washing away
D: are being washed away
正确答案是：
同类题型
_______ the two oceans the Pacific is ______ .
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We had hoped that you would be able to visit us, but you.
To show our respect, we usually have to take our gloves off _____we are to shake hands with. [ ]
are you coming with us–I’d love to, but something unexpected ________.