Before children start speaking________.A they need equal amount of listeningB they nee

继续教育 已帮助 人

Before children start speaking________.

A、they need equal amount of listening

B、 they need different amounts of listening

C、 they are all eager to cooperate with the adults by obeying spoken instructions

D、they can’t understand and obey the adult’s oral instructions

热搜:关于氨基酸代谢错误的论述是_________。