—Excuse me, ________ is the library from here?
—It’s about 5 minutes’ walk.
| A．How long | B．How far |
| C．How soon | D．How often |
---____ do you study for a math test? ---I study math ____ lots of exercises.
| A．What, by doing | B．How, by doing | C．How, doing | D．What, doing |
The little girl is ________ young ________ look after herself.
| A．so, that | B．too, to | C．such, that | D．so, to |
The two dresses are very nice. I can’t decide _________。
| A．which one should I buy | B．which one to buy |
| C．which one I to buy | D．which I bought one |
Sixteen-year-olds should _________their ears pierced.
| A．be allowed to get | B．be allow to get |
| C．allow to get | D．be allowed getting |
His grandparents used to ________ a walk after dinner, but now they are used to ________ a walk after breakfast.
| A．take, take | B．taking, taking | C．taking, take | D．take, taking |