How about buying Sam a mobile phone? After all, he isn’t a boy any more.— I think it necessary, for we sometimes want to make sure if he _______ home for dinner[ ]

Oh, my God! It’s a sea of cars. How can you _____ your car?—That’s easy. Mine is colored differently from any other one.[ ]

Hello! I’d like to speak to Wang Fei. —_______ She is coming.

Lucy is going to be a computer programmer when he _______ college.

I ________ sooner but I didn’t know that they were waiting for me.