Studying alone, you are free to choose what to learn and when, ________ you don’t need others’ agreement.
| A．while | B．if | C．though | D．as |
The fellow I _______ a worker was really a general manager.
| A．took in | B．took down |
| C．took up | D．took for |
He was always the last to leave in order to clean up the workshop and _______ the tools.
| A．put away | B．carry away |
| C．get away | D．wash away |
To keep healthy,Professor Johnson _______ cycling as a regular form of exercise after he retired.
| A．caught on | B．set out |
| C．made for | D．took up |
The heavy storm damaged a lot of fruit trees.The fruit prices have _______ immediately.
| A．added | B．developed |
| C．jumped | D．dropped |
When you boil the milk you must _______ it carefully.
| A．look at | B．notice |
| C．see | D．watch |