I was about to go to bed _____ one of my old classmates made a call to me.
| A．when | B．as | C．while | D．that |
—Do you mind if I open the window?
— I feel a bit cold
| A．Of course not. | B．I'd rather you didn’t. | C．Go ahead. | D．Why not |
I was really anxious about you. You____ home without a word.
| A．mustn’t leave | B．shouldn’t have left | C．couldn’t have left | D．needn’t leave |
—May I smoke here? —If you _____, choose a seat in the smoking section.
| A．should | B．could | C．may | D．must |
If you cheat in the exam, you’ll never_____ it.
| A．keep up with | B．get away with | C．get down to | D．look forward to |
Would you please keep silent? The weather report ________ and I want to listen.
| A．is broadcasted | B．is being broadcast | C．has been broadcasted | D．had been broadcast |