问题
选择题
The plane will take off _________ three hours. I must get to the airport right now.[ ]
A. in
B. for
C. on
D. at
答案
答案：A
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The plane will take off _________ three hours. I must get to the airport right now.[ ]
A. in
B. for
C. on
D. at
答案：A
