你想知道盒子里装的是什么，你会问：________
A．Who's that? B．Who's this?
C．What's in the box?
我们一起上学吧，可以说：________
A．Let's go to school. B．Let's go home.
C．One，two，three，go!
看到墙上的照片，你想知道那个女人是谁？你会说：________
A．Who's that man? B．Who's that woman?
C．Who's that girl?
兄弟姐妹互相帮助，可以说：________
A．Father and mother help each other. B．Brother and sister help each other.
C．Let's help each other.
妈妈向好友介绍说：“这是我儿子”，她可以说：________
A．This is my daughter. B．This is my son.
C．This is my brother.
