“I wondered if he could agree to help us finish this project.” The past tense used in the sentence refers to a________._门捷列夫

“I wondered if he could agree to help us finish this project.” The past tense used in the sentence refers to a________.

A

past event for exact time reference

B

present event for tentativeness

C

present event for uncertainty

D

past event for politeness

答案

B

解析

视频解析

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