There is no doubt that all this puts a large _________ on a teacher with a large number of classes.
| A．tax | B．catastrophe | C．sense | D．burden |
Why we eat out when can easily cook ourselves at home?
| A．must | B．shall | C．can | D．may |
He have come here yesterday, he?
| A．mustn’t, did | B．couldn’t, has | C．must, haven’t | D．must, didn’t |
There be any difficulty in passing the road test since you have practiced a lot in driving school.
| A．mustn’t | B．shouldn’t | C．shan’t | D．needn’t |
He paid for a seat, when he free.
| A．should have entered | B．could have entered |
| C．could enter | D．would enter |
He seldom listens to others. He answers for what he has done.
| A．shall | B．will | C．can | D．would |