—It smells terrible. What has happened here?
—Look, there is much waste gas _______from the chemical factory.
A. pouring B. pour C. pours
---Peter，is there anything else you want to know about China?
---Yes，I am still wondering __________ .
| A．how is Chinese paper cut made |
| B．how was the Great Wall built in ancient times |
| C．why the Chinese people like to play the dragon dance |
| D．why do the Chinese people eat rice dumplings at Dragon Boat Festival |
--- Thank you for supporting the volunteer project．
---________．Many hands made the light work.
| A．All right． | B．Never mind |
| C．Don’t mention it | D．It doesn’t matter |
He was brave enough ___________ for the school volleyball team and succeeded.
| A．try out | B．to try on |
| C．to try out | D．to try |
---Jerry, has your uncle _________ your letter for help?
---Sorry, not yet．But let’s make a decision after we get his _______．
| A．replied to; reply | B．replied; answer |
| C．answered to; answer | D．answered; reply |
My parents want me to get further study to be ________ an engineer _______a scientist, ________ I would like to be a famous surgeon doctor．
| A．neither; nor; and | B．either; or; but |
| C．not only; but; so | D．both; and; or |