问题补充:
--- 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:
A. had wondered
(答案→)B. was wondering
C. would wonder
D. did wonder
解析:考查时态:句意是;--对不起,先生,你能帮我个忙吗?—当然。是什么?--我想知道你能不能告诉我怎么填这个表格。选B。