题目内容
________ he ________ an hour in doing his homework yesterday?A. Has; spent B. Has; spend C. Did; spend D. Did; spent
答案:C
提示:
提示:
| “花费”有许多结构,注意不同的结构有不同的用法,spend的用法是:sb spend
money/time on sth/(in) doing sth。
|
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He _______ an hour doing exercise in the gym every day.
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