你想告诉妈妈“我有一个好朋友。”你应该说A. Mum . I have a good friend . B. A Chinese boy?.
WhatLucy and Ben ? A.is doing B.are doing C.are do
Kate is to the woods. A.runing B.run C.running
We are doingexperiment. A.a B.an C.the
The bird can't . A.fly B.sing C.swim
?I see a river. A.What do you see? B.What are you doing? C.What do you do?