You shouldn’t go out without a coat , it’s rather cold .
| A．unless | B．even though | C．however | D．since |
He ______ the test again, in which case, his mother will be very disappointed.
| A．might fail | B．must have failed |
| C．should fail | D．could have failed |
I didn’t see her in the meeting room this morning. She ______ have spoken at the meeting.
| A．mustn’t | B．shouldn’t | C．needn’t | D．couldn’t |
They often go to the restaurants for meals. They _____ be very poor.
| A．mustn’t | B．can’t | C．may not | D．needn’t |
“Shall we go shopping？” “Sorry, we _______ buy anything now because none of the shops are open.”
| A．mustn’t | B．needn’t | C．can’t | D．shouldn’t |
I _______ have met him a long time ago. Both his name and face are very familiar.
| A．may | B．can | C．would | D．should |