问题
选择题
You'd better book a ticket ________ if you want to see the 2012 London Olympic Games. [ ]
A. in advance
B. in charge
C. in trouble
D. in order
答案
答案：A
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You'd better book a ticket ________ if you want to see the 2012 London Olympic Games. [ ]
A. in advance
B. in charge
C. in trouble
D. in order
答案：A