( ) We having an English lesson. A. / B. are C. can
A: ________ ? B: Come in, please. A.May I come in B.May I coming C.I am come in
A: ________ that over there? B: It's a cat. A.Who's B.What's C.Where's
A: ________ . B: Not at all. A.All right B.Here you are C.Thank you
A: ________ is David ? B: He is in the classroom. A.Where B.What C.Who
A:Is this your umbrella? B:________ A.Perhaps this is your umbrella B.Yes, this is your umbrella C.No, it's his umbrella