9. _____ all behavior is learned behavior is a basic assumption of social scientists.
| A．Nearly | B．That nearly | C．It is nearly | D．When nearly |
. Our TV sets sell well, but ten years ago no one could have imagined such a big share in the market that they ____.
| A．were having | B．had had | C．were to have | D．had |
. In salad bars the waiter does not bring you salad. You have to____ yourself, usually to as much as you want.
| A．bring | B．serve | C．help | D．supply |
. ---How do you like the film?
---There was nothing special--- it was only ____.
| A．average | B．usual | C．normal | D．common |
.--- What are you going to do next?
--- To write a science story about outer space ___ by Science and Technology Press.
| A．published | B．being published |
| C．to be published | D．publishing |
. I'll be home late, but please don't stay ____ for me.
| A．up | B．in | C．over | D．on |