It’s very kind ______ you to help me ______ math project.
| A．of； at | B．of； with |
| C．for； with | D．for； at |
Most students watch TV three ____ four times a week.
| A．and | B．but | C．or | D．However |
What ______ she usually _____ on weekends?
| A．did, do | B．do, do | C．does, do | D．did, do |
“______ do you exercise?” Three times a week.”
| A．How long | B．How often | C．How far | D．How many |
A: May I go out to play football, Dad?
B: No, you ________. You must finish your homework first.
| A．may not | B．needn’t | C．shouldn’t | D．mustn’t |
In China when the traffic light is red, you ________ cross the road.
| A．need | B．should | C．mustn’t | D．must |