问题
选择题
— Thank goodness, you are here! What ____ you?
— Traffic jam. [ ]
A. keeps
B. is keeping
C. had kept
D. kept
答案
答案：D
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— Thank goodness, you are here! What ____ you?
— Traffic jam. [ ]
A. keeps
B. is keeping
C. had kept
D. kept
答案：D