Each time invited to a dinner,she always refuses, ____she has to take care of her baby.
| A．to say | B．saying | C．says | D．having said |
— Catherine, I have cleaned the room for you.
— Thanks. You ______ it. I could manage it myself.
| A．needn’t do | B．needn’t have done |
| C．mustn’t do | D．shouldn’t have done |
— 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 |