What color _______ it?
| A． is | B．are | C． am | D．be |
This August, China will celebrate _______ anniversary (周年纪念日) of the victory of the Anti-Japanese War.
| A．seventy | B．seventies |
| C．seventieth | D．the seventieth |
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 |