从A.B.C.D四个选项中.选出可以填入空白处的最佳选项.Some pre-school children go to a day care center, t
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从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。Some pre-school children go to a day care center, __________ they learn simple games and songs.
A.then
B.there
C.while
D.where
试题答案
D
解析:思路