It is well known that knowledge is________treasure house，but practice is________key to it.
| A．a；the | B．the；the |
| C．a；/ | D．/；the |
I really don’t want a bigger house—I’m with what I’ve got.
| A．satisfying | B．satisfied |
| C．satisfactory | D．satisfaction |
he came to love sports,he became much stronger than before.
| A．After shortly | B．Shortly after |
| C．Short after | D．Before long |
It was just a comment;I didn’t mean it to be taken so seriously.
| A．uniform | B．casual | C．humorous | D．formal |
The poor man was made a big family.
| A．supporting | B．to support |
| C．support | D．to be supported |
Cycling is highly to people’s health and the environment.
| A．fashionable | B．beneficial | C．changeable | D．suitable |