Nowadays school bus safety has drawn much attention nationwide for children’s safety is _______ worries parents most.
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why
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which
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that
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what
推荐题目
Diligence is ______ it takes for the post-90's generation to win competitions.
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A
what
B
where
C
which
D
when
Courage is a good quality and is ________ it takes to get over difficulties.
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that
B
what
C
which
D
where
The toughest thing about success is _______ you have to keep on being a success.
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that
B
when
C
what
D
why
The moment I will never forget is _____ my parents discussed my new school life with me before the new term started.
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that
B
which
C
when
D
where
He was badly hurt last night. That is _____ he didn’t come to school.
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because
B
that
C
why
D
what