8．Without your kind help, we ______ in the experiment.
| A．cannot succeed | B．hadn’t succeeded |
| C．w ouldn’t succeed | D．couldn’t have succeeded |
It’s nearly eight o’clock. They ______ be here at any moment.
| A．must | B．can | C．should | D．need |
There were already 4 people in the car but they managed to take John as well. It ______ a comfortable journey.
| A．can’t be | B．wouldn’t be |
| C．mustn’t have been | D．couldn’t have been |
“ ______ I hand in the paper this week?” “ No, you ______. You _____ hand it in next week.
| A．Must; needn’t; may | B．will; mustn’t; ought to |
| C．Shall; can’t; have to | D．Should; didn’t have to; can |
“ _____ you play baseball?” “ No, I _______. “
| A．Can; may | B．Can’t; can’t | C．May; can’t | D．can; can |
You_____seeher,butImust.
| A．haven’t | B．cannot | C．mustn’t | D．needn’t |