题目内容
-What was Susan doing at 8 last night?
-She __________ her homework at 8 last night.
A. is doing
B. was doing
C. did
D is did
-She __________ her homework at 8 last night.
A. is doing
B. was doing
C. did
D is did
B
根据问句的句意及时间标志词可知应用过去进行时回答,故选B。
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