问题
选择题
Here comes the bus. It's polite to wait in line before you ______. [ ]
A. get it off
B. get it on
C. get off it
D. get on it
答案
答案：B
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Here comes the bus. It's polite to wait in line before you ______. [ ]
A. get it off
B. get it on
C. get off it
D. get on it
答案：B