She must have set off for the village the other day, _____ she?
| A．mustn’t | B．didn’t | C．hasn’t | D．hadn’t |
The plant is dead. I ________ it more water.
| A．will give |
| B．would have given |
| C．must give |
| D．should have given |
I promised to get there before 5 o’clock, but now the rain is pouring down. They ________ for me impatiently.
| A．may wait |
| B．ought to wait |
| C．could wait |
| D．must be waiting |
It was playing computer games that cost the boy plenty of time that he ________ have spent doing his lessons.
| A．might |
| B．must |
| C．ought to |
| D．could |
—________ I return the dictionary within three days?
—No, you ________. You ________ keep it for five days.
| A．May; needn’t; will |
| B．Can; mustn’t; would |
| C．Must; don’t have to; can |
| D．Shall; can’t; should |
Sir, you ________ be sitting in this waiting room. It is for women and children only.
| A．oughtn’t to |
| B．can’t |
| C．won’t |
| D．needn’t |