-- Excuse me. May I use your eraser, please? -- Sure. ______
—What are you going to do tonight?— ______. If I am free, I may go to the cinema with my mother.
—Chris has learnt English for only three months.—______! His English is so good.
—What else did Tina ask you about the trip to Nanjing?—She asked me ______.
The young lady took the dress out of the package and tried it on, only ______ if it fitted her.
—You don’t have to take a raincoat. It isn’t going to rain.—Well, I am not sure. It ______ do.