Doctors are doing research to find out what happens physically when people______ smoking.
| A．quit | B．decline | C．prevent | D．reserve |
When his dad died, he felt ________his whole world was hopeless .
| A．in case | B．as though | C．so that | D．even though |
Mrs. White showed her student some old maps _________from the library.
| A．to borrow | B．to be borrowed |
| C．borrowed | D．borrowing |
Your decision will affect your future study in college and your future job _______.
| A．as though | B．as if | C．as well | D．as well as |
The suggestion he put forward was adopted with 16 votes _____ and 15 against it.
| A．in favour of | B．in response to |
| C．in honour of | D．in reference to |
If you put too many potatoes in that paper-bag it will _____.
| A．fail | B．explode | C．crack | D．burst |