A.that, doing, which
B.which, of doing, in which
C.what, to do,
D.it, of doing, that
A.them; when
B.which; that
C.what; that
D.which; when
开始考试点击查看答案A.who
B.which
C.that
D.where
开始考试点击查看答案A.who
B.as
C.about which
D.with whom
开始考试点击查看答案A.Which
B.When
C.What
D.As
开始考试点击查看答案A.to which
B.during which
C.on which
D.for which
开始考试点击查看答案A.on, which
B.on, that
C.off, which
D.off, that
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