It was not until she got home ___ Jennifer realized she had lost her keys.
| A．when | B．that | C．where | D．before |
—Must all the passengers in the airbus be foung now?
—No, they ________, because none of them is affected by the flu.
| A．mustn’t |
| B．needn’t |
| C．can’t |
| D．may not |
—Happy birthday!
—Thank you! It’s the best present I _______for.
| A．should have wished |
| B．must have wished |
| C．may have wished |
| D．could have wished |
Days later, my brother called to say he was all right, but ________ say where he was.
| A．mustn’t |
| B．shouldn’t |
| C．wouldn’t |
| D．mightn’t |
The children ________ lost in the woods;otherwise,they would have been at the lakeside camp as scheduled.
| A．must have got |
| B．must get |
| C．should have got |
| D．should get |
Harry is feeling uncomfortable. He ________ too much at the party last night.
| A．could drink |
| B．should drink |
| C．would have drunk |
| D．must have drunk |