问题
选择题
Be quick! The plane is going to _____, or we'll miss it. [ ]
A. call up
B. take down
C. go up
D. take off
答案
答案：D
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Be quick! The plane is going to _____, or we'll miss it. [ ]
A. call up
B. take down
C. go up
D. take off
答案：D