问题

he girl sitting next to me on the plane was very nervous, for she before.
A:hasn’t flown
B:hadn’t flown
C:didn’t fly
D:wasn’t flying
B:hadn’t flown
C:didn’t fly
D:wasn’t flying
正确答案是:
同类题型
There is 8-year-old boy playing Chinese chess with his friend in the classroom.
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