Our government has promised to improve our water quality, so it won’t be long _______ the residents can have access to clean water.
| A．after | B．since | C．before | D．unless |
The radio club in our school, which is in ___ charge of He Wei, is much more than just to play _____ music for everyone.
| A．/; / | B．/; the | C．the; the | D．the; / |
Walking on the street,___________.
| A．a stone fell on his head |
| B．he was hit by a stone on the head |
| C．a car hit on his leg |
| D．a stone hit his leg |
When you study the local map, you'll find this town is ________.
| A．twice as larger as that one |
| B．twice as larger a town as that |
| C．twice as a large town as that |
| D．twice the size of that one |
Passengers are permitted to _________ only one piece of hand luggage onto the plane.
| A．carrying | B．carry |
| C．be carried | D．being carried |
You can’t rely________ him to pick you up. He is still a green hand.
| A．to | B．with | C．on | D．in |