I don’t know when my son __________back, but when he__________back ,I’ll give you a call

want to________medicine after graduating from college.[ ]

Because of the rain, we’ll have to _______ the football match.—I’m free next Sunday if you would like to play then. [ ]

.—Nanjing is about 70 kilometers _______ from here What about taking a train– Good idea!

Is ______ your dictionary—Yes, thank you. And ______ are my books.