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【单选题】
温室效应形成的原因是大面积森林的砍伐和燃料燃烧产生的（）A.
大量CO 2
B.
大量NO 2
C.
大量SO 2
D.
大量CO
E.
以上都不是
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皮皮学刷刷变学霸
举一反三
【简答题】I suggested that you ______ (come)earlier tomorrow．
【单选题】The result suggested that you ___. So I suggested that you ____ harder in the future. [ ]
A.
fail; studied
B.
failed; studied
C.
failed; study
D.
fail; study
【简答题】I suggested (go) ______ for a picnic.
【单选题】Her pale face suggested that she_____ ill badly and I suggested she_____to hospital without delay.
A.
be, should be sent
B.
was, be sent
C.
be, was sent
D.
was, was sent
【简答题】I suggested that he (call) _______ on the director a week later.
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