问题
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
B:have waited
C:am waiting
D:was waiting
正确答案是：
同类题型
It’s cold here. Would you mind my closing the window — __________.
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The flowers _____ sweet in the garden _____ the visitors to the beauty of nature. [ ]
.Hi,Linda. This _____ my sister and those ______ my brothers.