大卫,该睡觉了。A. It’s time to go to bed, David.B. Go to bed, David.C.Shall we go to bed, David?
当你想知道距离多远时,你会问:A.How many are these?B.How old is he?C.How far is it ?
当你想知道他们是做什么的时候,你会问:A.What are they doing.B.What do they do?C.How do they do?
当你想知道他们是怎么样去北京时,你会问:A.How can they go to Beijing ?B.What do theydo .?C.Can you go to Beijing?
I like to play ping-pong.A.我喜欢打篮球B.我喜欢打乒乓球C.我喜欢踢足球
The train is faster than the bus.A.火车比公交车慢。B. 火车比公交车快。C.火车和公交车都快。