问题

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;

正确答案是：

同类题型

Her good health is chiefly due to proper diet and________exercise.[ ]

My mother told us_______ make__________noise.

His pale face suggested that he _____ illand his teacher suggested that he ______to the hospital at once.

How’s this pink evening dress? I wear it to the party _______ shall I choose that white one?—They both look beautiful, but I think your blue dress is suitable.

Tom is a ____________person. When we are on holiday, he can look after our pet.