）Come and have a look at these bags in red. We sell them _____ very good prices.
| A．in | B．at | C．for | D．of |
—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 |
5. --- My grandmother ______ dancing as a hobby in her sixties, and she is really good at it now.
--- It’s never too old to learn.
| A．dressed up | B．took up |
| C．looked up | D．put up |