问题
选择题
| —Alan, it's late. Why not go to bed? —Jenny hasn't come back yet. I _______ for her. |
A. waited B. have waited C. am waiting D. was waiting |
答案
答案：C
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| —Alan, it's late. Why not go to bed? —Jenny hasn't come back yet. I _______ for her. |
A. waited B. have waited C. am waiting D. was waiting |
答案：C