摘要: -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 [解析] What is it?用了一般现在时.给试题增加了一定的难度.按常理答案应为“I wonder if-.但无此选项.A.C不合题意,D项用了did作强调.从上下文看没此必要.这里用过去进行时表示提出请求前的想法.在这个句子中用过去进行时表示在对方问话之前自己正在想的事.答案为B.

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