打电话时如果想知道对方是谁,应该问: A. Who are you? B. Who’s that? C. Who’s this?
Look! He’s ____ football. A. play B. plays C. playing
There is a horse _____this photo. A. in B. on C. at
Let’s _____ a look. A. havingB. have C. go
There are twelve ____ the bike. A. boy in B. boys on C. boys in
There _____some nice photos here. A. are B.is C. be