问题
选择题
| Mrs Smith ____ 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; would come D. had left; came |
答案
答案：D
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| Mrs Smith ____ 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; would come D. had left; came |
答案：D