I don't think __________ possible to master a foreign language without much memory work.
| A．this | B．that |
| C．he | D．it |
— Lucy doesn’t mind lending you her dictionary.
— She _______. I’ve already borrowed one.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
— 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 |
I was on the highway when this car went past fol. Lowed by a police car. They ______ at least 150 kilometers an hour.
| A．should have been doing | B．must have been doing |
| C．could have done | D．would have done |
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 |