In much of the animal world, night is the timefor sleep-pure and simple.
| A． | set aside | B． | set down | C． | set off | D． | set up |
10. Then you usually lie there just ____ the ceiling, thinking about everything that could go wrong.
| A．glancing at | B．watching at | C．glaring at | D．staring at |
9. _____frightened us ____the electricity was suddenly cut off, which threw all of us into the dark.
| A． It was; that | B．What was; most was that |
| C． It ; most what | D． What; most was that |
8. He wants to see changes in the company and I am sure he will, ______.
| A．on time | B．at a time | C．at one time | D．in time |
7. Dave lost his job and was short of money, so ______his flat and move in with his brother.
| A．that he did was to sell | B．what he did sell |
| C．what he did was sell | D．what he did sold. |
5. He said he had stolen the money but he couldn’t ______ the fact that the money was found in his house.
| A．answer for | B．leave for | C．account for | D．care for |