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-- I didn't see you at the meeting yesterday, why?

-- I _________ for a telephone call.

A. had waited      B. have waited              C. was waiting     D. would wait

-- I didn't see you at the meeting yesterday. Why?
--I _______ for an important telephone call at that moment.

一 I didn’t see you at the meeting yesterday. Why?

一I ________ for an important telephone call at that moment.

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