Bill likes playing________basketball，but he doesn’t like playing________piano．
| A．the，the |
| B．／，the |
| C．the，／ |
| D．／, ／ |
I’ll work hard to make a lot of money ______ I can buy a big house.
| A．if | B．because |
| C．although | D．so that |
—I have a ______. What should I do?
—You should see a dentist.
| A．stomachache | B．backache |
| C．toothache | D．headache |
The bank promised to provide us ______ money.
| A．to | B．on |
| C．with | D．at |
Peter has ______ cough and he has to get ______ X-ray.
| A．an; a | B．a; a |
| C．a; an | D．an; an |
6. --- I don’t know ______ I can improve my English.
--- You can read some English books and magazines.
| A．why | B．what |
| C．when | D．how |