The problem is _________ difficult ________ students can solve them.
| A．so; and few | B．so; that little |
| C．so; that few | D．so; that a little |
It’s difficult to live in a foreign country, if you can’t speak foreign languages.
| A．mainly | B．really |
| C．luckily | D．especially |
—Can you finish the work in an hour?
—____________.
| A．No problem | B．That’s all right |
| C．We don’t believe it | D．Good idea |
There are ________ books in the National Library.
| A．twenty millions | B．twenty millions of |
| C．twenty million | D．twenty million of |
It is going to be ________ tomorrow.
| A．snowy | B．to snow | C．snows | D．snow |
The small local school in Parkville ____________five years ago.
| A．paid for | B．closed down |
| C．closed to | D．picked up |