—How about going sightseeing this Saturday afternoon? Sorry, I _______ my resear

题干

—How about going sightseeing this Saturday afternoon?
Sorry, I _______ my research report the whole weekend.

A．will have written	B．will be writing
C．have written	D．have been writing

上一题下一题 0.65难度单项选择更新时间:2019-05-06 02:29:27

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