题目内容
-Mom’s gift? She _______ have chosen a better one for me.
-She must be very happy to know it.
-She must be very happy to know it.
| A.should | B.might | C.couldn’t | D.mustn’t |
C
“妈妈买的礼物?她买了一个最好的。”比较级用在否定句中表示最高级,答案C。
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