题目内容
It was in the 1990s _________ we were working together _________ we made friends with each other.
[ ]
A.
that; when
B.
when; that
C.
that; that
D.
when; when
答案:B
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题目内容
It was in the 1990s _________ we were working together _________ we made friends with each other.
that; when
when; that
that; that
when; when