—Could you please have a walk with me?
—Sorry, I _______. I have something important to do now.
| A．mustn’t | B．needn’t |
| C．can’t | D．may not |
Some more trees need ________ beside the road.
| A．to plant | B．to be planted | C．planted | D．plant |
I hear that another teaching building _________ in their school two years ago.
| A．will be built | B．is building | C．was built | D．was building |
_________, hot dogs and chips are both junk food.
| A．In fact | B．According to | C．At first | D．At once |
The students in this school are made ________ school uniform on Monday.
| A．to wear | B．wearing | C．wear | D．worn |
John often asks his friends ________ help.
| A．to | B．with | C．for | D．on |