We should try to prevent air pollution__________.
| A．from living a better life | B．to live a better life |
| C．live a better life | D．lives a better life |
Who are the two men over there ?
They are _________fathers.
| A．Jim’s and Bob’s | B．Jim’s and Bob |
| C．Jim and Bob’s | D．Jim and Bob |
________is wrong with my watch . It’s has stopped _________.
| A．Something ; working | B． Something ; to work |
| C． Anything ; working | D． Anything ; to work |
These are _______books. Yours are over there .
| A．I | B． my | C． me | D． mine |
We have had several visits ______the famous nature zoo.
| A． for | B． to | C． forward | D． against |
She’ll come back in _______ hour ,
| A．a | B．an | C．the | D．/ |