–Are you going to Shanghai by bus?
--I am not sure. It’s cheap, but uncomfortable. I _____ take a train.
| A．may | B．must |
| C．can | D．should |
—Would you mind ______ those old jeans?
—.
A. not wearing; Yes, I wouldn’t B. not to wear; No, I would
C. not wearing; Not at all
I have been ______ English _______ ten years.
A. study; for B. studying; since C. studying ; for
He _____ when the UFO arrived.
A. was sleeping B. were sleeping C. has slept
Why not _____ boating with us in the park?
A. to goB. goingC. go
I hope we will have _______ people and _______ pollution.
A. fewer, less B. fewer, fewer C. less, less