Some pre-school children go to a day care center,____ they learn simple games and songs.
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A
then
B
there
C
while
D
where
推荐题目
Mary wrote an article on ______ the team had failed to win the game.
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A
why
B
what
C
who
D
that
His father got him a job in a bank but soon it became clear ______ he was not fit for that kind of work．
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A
why
B
what
C
whether
D
that
Xiao Li was about to cheat in the exam ________ the teacher came up, smiling to him.
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A
as
B
when
C
while
D
until
The river______ are covered with trees is polluted.
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A
of which the banks
B
whose banks
C
the banks of which
D
A,B,C are right