－I wonder if I__________smoke here．
一NO, you . You see，there is a“NO SMOKING”sign here．
| A．may；needn’t | B．must；can’t | C．shall；won’t | D．can；mustn’t |
—I’m disappointed with the officer elected in our town.
—I am too, but there’s no point _____ about it.
| A．we worry | B．in worrying | C．to worry | D．with us worrying |
The best method to _____ this goal is to unite as many people as possible.
| A．undertake | B．conduct | C．perform | D．accomplish |
—Are you satisfied with her answer?
— Not at all. It couldn’t have been _____.
| A．worse | B．so bad | C．better | D．the worst |
We were in _____ when we left that we forgot the airline tickets.
| A．a rush so anxious | B．a such anxious rush |
| C．so an anxious rush | D．such an anxious rush |
—Does David often come to school ____ bus?
—Yes, but sometimes he comes ____ his father’s car.
| A．take; in | B．by; by | C．by; in | D．in; with |