The hard life in the mountainous area he has adapted to ____ a real challenge to anyone.
| A．mean | B．means | C．meant | D．meaning |
— I’ve taken someone else’s green sweater by mistake.
— It ______ Harry’s. He always wears green.
| A．has to be | B．will be | C．mustn’t be | D．could be |
There _____ be any difficulty about passing the road test since you have practiced a lot in the driving school.
| A．mustn’t | B．shan’t | C．shouldn’t | D．needn’t |
I have lost one of my gloves. I _____ it somewhere.
| A．must drop | B．must have dropped |
| C．must be dropping | D．must have been dropped |
— The room is so dirty. _____ we clean it ?
— Of course.
| A．Will | B．Shall | C．Would | D．Do |
Naturally, after I told her what to do, my daughter _____ go and do the opposite !
| A．may | B．can | C．must | D．should |