问题

No hurry. They will arrive _____ twenty minutes.[ ]
A: at
B: after
C: in
D:by
B: after
C: in
D:by
正确答案是:
同类题型
I am not going swimming tomorrow afternoon. —-_____. I have to clean up my bedroom.
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How long does it take?—Oh, it depends_____ the means of’ transportation. [ ]
He is no cleverer than me. Which sentence has the same meaning?