你向别人问好时,可以说:A. I’m fine. B. Thank you. C. How are you?
-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