—Look at the boy running on the ground. Is it Davis?—It ______ be him. I saw him go to the teacher’s office just now.
Jim doesn’t like the bike __________was bought last week. A. which B. what C. who
---What do you think of her dancing? ----Oh ,nobody else does_____________. A. well B. better C. best
Please stop __________a rest if you feel tired. A .to have B. having C. have
-----Look !Sue is over there. ----That _________be her .She is in Canada now. A .mustn’t B. can’t C. needn’t
-----I have never visited a paper factory. ------____________________. A So have I . B. So I have. C. Neither have I .