题目内容
桪id you see Tom at the party?
桸o, he ________ by the time I got there.
A. left
B. was leaving
C. had left
D. has left
答案：C
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题目内容
桪id you see Tom at the party?
桸o, he ________ by the time I got there.
A. left
B. was leaving
C. had left
D. has left