A sudden change in temperature _______ to bring rain or snow.
| A．gets | B．turns | C．hopes | D．tends |
—Is Jack on duty today?
—It __________ be him. It’s his turn tomorrow.
| A．mustn’t | B．won’t |
| C．can’t | D．needn’t |
As you worked late yesterday, you __________ have come this morning.
| A．mayn’t | B．can’t |
| C．mustn’t | D．needn’t |
— Must he come to sign this paper himself?
— Yes, he __________.
| A．need | B．must |
| C．may | D．will |
If it were not for the fact that she __________ sing, I would invite her to the party.
| A．couldn’t | B．shouldn’t |
| C．can’t | D．might not |
— What’s the name?
— Khulaifi. __________ I spell that for you?
| A．Shall | B．Would |
| C．Can | D．Might |