Where you just now?
I at the library.
A. was; were B. are; was C. were; was
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