---Do you know if we __________a picric next month?
---I'm not sure. But if it __________ raining, maybe we will.
| A．will have, will stop | B．have, will stop |
| C．will have, stops | D．have, stops |
To make our environment ________ polluted, everyone needs to take more action.
| A．less | B．more | C．fewer | D．most |
The film Speed and Passion 7 is so exciting that _______ of the children wants to miss it.
| A．nobody | B．each | C．none | D．all |
It’s very cold outside. Please remember to sleep with the windows ________.
| A．open | B．opened | C．close | D．closed |
Liu Xiang announced the retirement (退役) in Shanghai _______ May 17, 2015.
| A．in | B．on | C．at | D．since |
—Look at the clouds, so beautiful!
—Wow, so many different ________, such as horses, sheep, flowers, etc.
| A．sizes | B．shapes | C．colours | D．styles |