A lot of language learning,________ has been discovered,is happening in the first year of life,so parents should talk much to their children during that period.(2012·安徽,29)
A.as | B.it | C.which | D.this |
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A lot of language learning,________ has been discovered,is happening in the first year of life,so parents should talk much to their children during that period.(2012·安徽,29)
A.as | B.it | C.which | D.this |
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