—I’m thinking of losing weight these days.
—Oh, you_____be out of your mind. You’re 50 kilograms at the most!
| A．will | B．should | C．may | D．must |
—— It is rather cold here. Shall we light a fire?
—— No, we＿＿＿＿＿＿because things are easy to catch fire.
| A．won’t | B．can’t | C．mustn’t | D．needn’t |
You＿＿＿＿＿＿＿go to the party if you don’t finish your homework first.
| A．won’t | B．don’t | C．oughtn’t | D．shan’t |
Even though I’d hurt my leg, I＿＿＿＿＿＿ swim back to the river bank.
| A．could | B．might | C．had to | D．was able to |
—— Do you think he will do me a favor?
—— As far as I know, he is the last one to help others. He＿＿＿＿be prepared to give you a hand, though.
| A．might | B．must | C．can | D．should |
If you＿＿＿＿wait a moment, I’ll go and find our manager.
| A．can | B．should | C．will | D．must |