What did you do last night?______________________A.I do my homework at home. B. I did my homework at home.
-Can Sam swim? - A.Yes , he can. B.Yes, he does. C.No, you don’t.
Bill and Daming arenow. A.Swim B.Swims C.Swimming
WeTV at home. A.watching B.watch C.watches
Look,Tom isa letter. A.writing B.writes C.wreiteing
Amy and Linglingto music now. A.are listening B.is listening C.listens