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题目内容
（山东第一医科大学英语3）
(1分)Helen ________ her keys in the office so she had to wait until her husband________ home.
A. has left; comes
B. left; had come
C. had left; came
D. had left; would come
A. has left; comes
B. left; had come
C. had left; came
D. had left; would come
参考答案
