— Where did they go ________ vacation?
—They went to Shanghai.
| A．on | B．to | C．about | D．at |
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 |
Stanford University is the second ________university in the world.
| A．large | B．larger | C．largest | D．the largest |
I’11________photo taking after I retire. I think it is a good hobby.
| A．take away | B．take off | C．take out | D．take up |