题目内容
____ come again.
A. Do B. Can C. May D. Did
A
为了加强祈使句的语气,在动词前加do,表示恳求。
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Such a good opportunity may not come again, so you ____________ let it go this time.
A.hadn’t better |
B.wouldn’t better |
C.would better not |
D.had better not |