I tried to telephone Cynthia last night but her number _____.
I tried to telephone Cynthia last night but her number _____.
A、was engaged
B、engaged
C、was to be engaged
D、had engaged
【正确答案】:A
【题目解析】:be engaged可以表示“(电话)占线”。but表示转折,本题是一般过去时态。
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