— May I open the window to 
let in some fresh air?
— .
| A．Come on | B．Take care | C．Go ahead | D．Hold on |
___ running,learning English needs will.
| A．As with | B．As to | C．As for | D．As if |
. Most people in that area objected with little effect____a golf playground there.
| A．to build | B．of building | C．to have built | D．to building |
The singer hasn’t performed in public for over 5 years. ___, she is very popular with young people.
| A．But | B．still | C．Otherwise | D．Therefore |
Could you ___ this 10-dollar bill so I can make a phone call?
| A．divide | B．tear | C．break | D．cut |
______left before the deadline, it doesn’t seem likely that John will finish the job.
| A．Though such a short time | B．Because such a short time |
| C．With such a short time | D．As such a short time |