(2012·安徽) 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.
A.as |
B.it |
C.which |
D.This |
推荐套卷
(2012·安徽) 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.
A.as |
B.it |
C.which |
D.This |