题目内容
(同义句转换)A:It took Mary an hour to do her homework last night.
B:Mary _______ an hour _______ her homework last night.
答案:
spent,in doing
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题目内容
(同义句转换)A:It took Mary an hour to do her homework last night.
B:Mary _______ an hour _______ her homework last night.
答案:
spent,in doing