The sudents were silent as they saw the ___ look on their teacher’s face.
| A．fright | B．frightening | C．frightened | D．both B and C |
________ you said at the meeting describes a bright future for the company.
| A．When | B．How |
| C．What | D．That |
Time is of no importance to great thoughts, ________ are as fresh today as when they first passed through their authors' minds, ages ago.
| A．what | B．that |
| C．which | D．where |
Willpower is a kind of quality, ________ is ________ it takes to do anything well.
| A．what; which | B．what; what |
| C．which; which | D．which; what |
________ nearly all behavior is learned behavior is a basic assumption ________ has been put forward by social scientists.
| A．What; that | B．That; what |
| C．What; what | D．That; that |
The British are not so familiar with different cultures and other ways of doing things, ________ is often the case in other countries.
| A．that | B．who |
| C．where | D．as |