. The teacher have thought Johnson was worth it or she wouldn’t have wasted time on him,

发布时间：2020-08-17 14:22:43

. The teacher      have thought Johnson was worth it or she wouldn’t have wasted time on him, I suppose.
A. should
B. can
C. would
D. must

网友回答

A. should
B. can
C. would
(答案→)D. must
解析：“must+have+过去分词”表示对过去情况的肯定推测。句意为：我想，老师一定认为约翰逊是值得教的，要不然她就不会在他身上浪费时间了。
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