情景对话。 ( )(1)颜色应该说: ( )(2)向别人介绍自己的妈妈应该说: ( )(3)和王兵打招呼应该说: ( )(4)早上见王老师应该说: ( )(5)和同学告别应该说:
E. Hi, Wang Bing.
Lucy went a school trip .
It us thirty minutes to climb to the top .
was in front of you last Monday ?
Chinese people invented paper for .
Nine children their grandparents last week .