Nowadavs,most people,in order to keep fit,prefer walking to driving _________necessary.
| A．if | B．unless | C．in case | D．as if |
----It shouldn’t take long to clear up after the party if we all volunteer to help．
-----That’s right．______________．
| A．Many hands make light work． |
| B．Something is better than nothing． |
| C．The more, the merrier． |
| D．The sooner begun, the sooner done． |
By improving reading skills, you can read faster and understand more of _______ you read．
| A．that | B．what | C．which | D．whether |
Now everyone is concerned about how to conquer the economic crisis, __________is very important for us to preserve our standard of living．
| A．which success | B．its success |
| C．the success of which | D．the success of it |
___________ the chapter four times, and I finally understand the author’s theory．
| A．Reading | B．Having read | C．To read | D．Read |
The railway bridge ___________ by 2015 will provide a faster route to transport goods．
| A．to be completed | B．is completed | C．completed | D．being completed |