题目内容
----Alice, why didn't you come yesterday?
-----I______, but I had an unexpected visitor. ?
A. had B. would? C. was going to D. did?
C
为I was going to come.之省略,意为“我本来是打算来的”,这与其后but I had an unexpected visitor的语境刚好吻合。注意不能选would,因为它没有“打算”之意。
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