题目内容
—I called you at 4:00 yesterday afternoon, but no one answered.
—Sorry, I ______ with my friends at that time.
—Sorry, I ______ with my friends at that time.
A.swim | B.swam | C.will swim | D.was swimming |
D
考查时态。根据时间状语yesterday afternoon,可知要用过去时态;再据at that time,可知要用过去进行时态。所以选D。
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