单项选择题
A.Goodbye!B.Take care.C.Enjoy yourself.D.Have a nice trip.
A.I have to give you some medicine.B.I' m sorry. Your weight is a problem.C.You need some exercises.D.I' m afraid you have to lose at least 40 pounds.
A.How much are they all together?B.Have you got anything nicer?C.Where did you get it, by the way?D.Where else can you see such nice watermelons?