He didn't go to school, did he?
_____,though he had a stomachache.( )
A.No. he didn'tB.Yes. he didn't
C.Yes. he didD.No. he did
It’s 12:00 pm now. They _________ be sleeping.
—Another cup of coffee? —No, thanks. I ________ be off. My friend is waiting for me at the school gate.
Must I finish my homework first? No, you ________.
The girl is so excellent that you ________ praise her too much.
—Listen! Someone is knocking at the door. Who _____it be? —It_____ be Tom. He phoned to visit me this evening.