单项选择题

George（）too far . His coffee is still warm.

A. must have gone
B. might have gone
C. can't have gone
D. needn't have gone

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热门试题

单项选择题In this article , you need to back up general statements with（）examples.

A. specific
B. permanent
C. abstract
D. universal

单项选择题Had the governments and scientists not worked together , AIDS-related deaths（）since their highest in 2005.

A. had not fallen
B. would not fall
C. did not fall
D. would not have fallen