—— How does Jack usually go to school?
—— He ________ ride a bike, but now he is used to ______ there.
| A．used to; walk | B．was used to; walking |
| C．was used to; walk | D．used to; walking |
Aron ______ water five days later.
| A．ran out | B．used out | C．ran out of | D．used out of |
This is______ difficult problem that few students can work it out.
| A．so | B．so a | C．such | D．such a |
Some people plan to ______ a volunteer project to help the disabled children.
| A．put up | B．think up | C．set up | D．cheer up |
---My mother is ill in hospital.
---______
| A．Oh, is she OK? | B．What’s wrong? |
| C．I don’t know. | D．I’m sorry to hear that. |
Mary ____ her mother; she has big eyes and red hair, too.
| A．looks after | B．looks for | C．takes up | D．takes after |