他昨晚花了20分钟来准备英语考试 He ------ twenty minutes ------- -------- English test

Question

如题所述

Answer 1

答案：He (spent ) twenty minutes ( preparing ) ( for ) English test.

解析：主语+spend + 时间+ （in）doing sth，其中in可以省略，某人花多长时间做某事

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Answer 2

He (spent ) twenty minutes (in preparing ) English test

Answer 3

spent; on the
spent, getting ready for the
spent, preparing

Answer 4

spent on preparing