Hi,Mike!Nice to meet you here.I _____ you joined the club.A.didn't know.B.haven't known.
Hi,Mike!Nice to meet you here.I _____ you joined the club.A.didn't know.B.haven't known.
为什么
为什么
英语人气:157 ℃时间:2020-02-03 15:11:59
优质解答
选择A.didn't know.,因为你现在已经知道了,所以不能用完成时
我来回答
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