I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house.
| A．couldn’t | B．mustn’t | C．shouldn’t | D．needn’t |
The Smiths are having dinner at home at the moment.
| A．Mr. Smith | B．Mrs. Smith |
| C．The Smith family | D．Mr. Smith and his son |
________ we plant,__________ our city will be.
| A．The more trees; the beautiful |
| B．The less trees; the more beautiful |
| C．The more trees; the more beautiful |
| D．The less trees; the beautiful |
_________ music she is playing!
| A．What nice | B．How nice | C．What a nice | D．How nice a |
—Must I finish my homework at school?
— No, you_____. you can do it at home
| A．can’t | B．mustn’t | C．needn’t | D．won’t |
—Could you tell me________？
— He is in his office.
| A．where Nick was | B．where is Nick | C．where was Nick | D．where Nick is |