The girl is not_____to go to school.
| A．enough old | B．enough young | C．young enough | D．old enough |
— Must I go to medical school and be a doctor like you, Dad?
— No, you _____________．You’re free to make your own decision．
| A．can’t | B．mustn’t |
| C．shouldn’t | D．needn’t |
The price of oil is much _____________ than before so that many people go to work by bus instead．
| A．higher | B．lower |
| C．cheaper | D．more expensive |
— I'm too nervous to give a talk before so many people．
— _____________, Maria．You can do it．
| A．Take care | B．Of course |
| C．Take it easy | D．Help yourself |
Not only my friend but also I ______ interested in action films. We often see films together.
| A．be | B．am |
| C．is | D．are |
——Dad, must I finish my homework today?
------No, you . You may do it tomorrow.
| A．needn’t | B．mustn’t |
| C．don’t | D．won’t |