问题
Are you sure you have to It’sbeen very late— I don’t know _____ I can do it if notnow
A:where
B:why
C:when
D:how
B:why
C:when
D:how
正确答案是：
同类题型
The accident happened on such an evening with strong winds __________ by heavy rain. [ ]
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May I listen to the music here, Mr. White —-Sorry, you’d better ____ it like that..