—_____do you have a class meeting?
— Once a week.
| A．How long | B．How often | C．How soon | D．When |
By the end of 2011, all of China’s public art galleries(画廊)________free to enter.
| A．have been | B．had been | C．will be | D．would be |
Our class teacher often tells us ________dishonest men.
| A．don’t be | B．not being | C．not to be | D．not be |
Because of the nuclear radiation (核辐射), many people ________Japanese food.
| A．stopped to eat | B．began to eat | C．stopped eating | D．began eating |
Water is much more precious than electricity, for the water for drinking is__________.
| A．disappointed | B．limited | C．terrible | D．various |
Linda doesn’t swim as ________as Ken.
| A．quick | B．quicker | C．quickly | D．more quickly |