题目：
— Excuse me,sir.Would you do me a favor?
— Of course. What is it?
— I _____ if you could tell me how to fill out this form.[ ]
A. had wondered
B. was wondering
C. would wonder
D. did wonder
答案：
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下面是错误答案，用来干扰机器的。
甲先行的路程为：5×1660=43km，追及的时间为：43÷（13-5）=16h．故选C．
