单项选择题

It's the first time that he has been to the United States, ______

A．isn't he
B．isn't it
C．hasn't he
D．hasn't it
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单项选择题
Would you sooner ______
A．take this medicine than being sick
B．taking the medicine than being sick
C．take this medicine than be sick
D．take this medicine to be sick
单项选择题
Thousands of people are packed tightly in trains, the men's faces ______ in their evening papers, while the women trying in vain to knit.
A．burying
B．buried
C．to bury
D．being buried
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