We ______ play with friends or go out on school days.
| A．can’t | B．have to | C．must | D．has to |
When you leave, please turn off the light_____ energy.
| A．save | B．saving | C．saved | D．to save |
Look at the “No parking” sign. You _____park your car here.
| A．should | B．must | C．needn’t | D．mustn’t |
He was wearing a pair of sunglasses and I didn’t _____him at first.
| A．advise | B．promise | C．recognise | D．hear |
The book won’t____ until the end of the year.
| A．come out | B．come over | C．come true | D．come on |
Look at our new school. It ____ last year.
| A．built | B．was built | C．is built | D．will be built |