Tom usually _______ a bike to school.
Look, he _______to school now.
| A．rides， is riding |
| B．is riding， is riding |
| C．rides，ides |
| D．is riding， rides |
There is ________ 800-metre-long road behind ________ hospital．
| A．an; an | B．a; a | C．an; the | D．a; the |
---- Is it far from here to the bank?
---- Not very, only________．
| A．20 minute’s walk | B．20 minutes’ walk |
| C．20 minutes walk | D．20 minutes’ walks |
----I’m going back to see my grandparents this weekend．
---- ________．
| A．It’s very nice of you |
| B．You’d better hurry |
| C．Say goodbye to them |
| D．Give my best wishes to them |
The Japanese government must do everything ________ polluted water from running into rivers, lakes, seas and oceans．
| A．keep | B．kept | C．to keep | D．keeping |
Her son __________ Coke, but now he __________ milk．
| A．is used to drinking; used to drink |
| B．used to drink; uses to drink |
| C．used to drink; is used to drinking |
| D．is used to drink; is drinking |