【題目】— I didn’t see you at the meeting yesterday. Why?

— I _____ for an important telephone call at that moment.

A. wait B. waited C. am waiting D. was waiting

【答案】D

【解析】試題分析：句意：—— 昨天開會的時候我沒看見你。為什么？—— 那時我正在等一個很重要的電話。根據(jù)句子中at that moment可知用過去進行時。故答案選D。

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