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- Have you ever been back to our primary school?—Yes,I go to see Mr Wang______.[ ]
- I found an interesting poster on the factory wall on ______ home.[ ]
- Hello, this is Jack. Mary I speak to Tom? — Sorry, he isn’t in at the moment. If he back, I’II ask him to call you back.
- _____ you call back tomorrow?–Of course I can.
- Must I be back home before 6 o’clock? —No, you ____. But don’t be too late.
- Must I come back before supper, mum?—No, you .
- You’d betterbecause you have to drive back home. – OK.
- We have to visit our grandparents this winter vacation because we miss each other very much.
- My sister isn’t in. ________ she comes back, I’ll let her call you back.
- Hello, this is Jack. May I speak to Tom?– Sorry, he isn’t in at the moment. If he _______ back, I’ll ask him to call you back.