—Where is Jack?I can’t find him anywhere.
—He__________ his homework upstairs.
| A．might have done | B．must have done |
| C．must be doing | D．must do |
Eve was late again. She __________ earlier.
| A．should get up | B．should have studied |
| C．must have studied | D．should have got up |
To our disappointment, the rock star everyone looked forward to _________.
| A．turning up | B．not turning up | C．turned up | D．didn’t turn up |
— Must I take my own sleeping bag for the camp?
— You _______.We have prepared one for each of you.
| A．mustn’t | B．can’t | C．may not | D．don’t have to |
When Wenchuan county was _________ from the outside world, the government sent food there by helicopter.
| A．cut down | B．cut up | C．cut off | D．cut in |
Tom’s little sister is a girl of great _______. She takes an interest in everything.
| A．concern | B．purpose | C．curiosity | D．strength |