(2012年重庆卷,34)Evidence has been found through years of study ________ children's early sleeping problems are likely to continue when they grow up.
A.why |
B.how |
C.whether |
D.that |
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(2012年重庆卷,34)Evidence has been found through years of study ________ children's early sleeping problems are likely to continue when they grow up.
A.why |
B.how |
C.whether |
D.that |
试题篮
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