单项选择题

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

A. isn't she
B. hasn't she
C. isn't it
D. hasn't it
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单项选择题
Although Mike is happy with his success, he wonders ______ will happen to his private life.
A. that
B. what
C. this
D. it
单项选择题
Joseph was very lucky ______ with his wife; he almost did not get out of the room.
A. to escape
B. to have escaped
C. to escaping
D. to be escaping
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