有点看不懂让干嘛的.Can you buy a sweater online?( )A.Yes,I can.B.No,I

Can you swim ---------A.yes I can B.No,i can C.Yes,I can't A:Can I help you?B:Yes,please.I'm___ ___a sweater. Can you fly a kite?—_____ A.No,I can't.B.Yes,I can.C.Yes,I c can I borrow your pens?A.Yes,you can B.No,you can C.Sorry D. A:Can I help you?B:Yes,＿＿.I'd like a sweater.A:We have quite ---Can I help you?---_____.A Yes,you can B No,I can't C I'd Are you happy today?A.Yes,I am.B.Yes,I can.C.No,I can't.(提示： could i use your pen ? A.yes ,you can B.yes,sure C.no,you ca Can you play foootball? _____.It's hard. A.Yes ,I can. B.No, Can tom run?__.A.yes,he can B.no,he can C.yes,i can D.no,I c can not you seethe bird in the tree?a.no.i can b.yes,i can n Can I borrow your pen?A.Yes,but I don ’t have one .B.No,you