如果你想了解John正在做什么,你应该问:A. What can John do?B. What is John doing?C. What does John do?
John________strong. A.look at B.look C.looks
My brother________sports. A.like B.likes C.liking
How many apples are there________the tree? A.on B.for C.in
What's________father? A.you B.your C.yours
My family________six members. A.has B.had C.have