Cindy shut the door heavily and burst into tears. No one in the office knew _____ she was so angry.
| A．where | B．whether | C．that | D．why |
My father began to work ____ a bus driver when he was twenty years old.
| A．for | B．to | C．at | D．as |
This is a common mistake ____ students.
| A．between | B．over | C．among | D．about |
If you run ____ two hares you will catch neither.
| A．into | B．after | C．off | D．out of |
His grandfather died ____ the wound that the enemy soldier had given him .and then his grand-
mother died ____ hungry and cold.
| A．from,of | B．of,from | C．from,from | D．of.of |
The teacher is not only strict ____ his pupils but also strict ____ his own work.
| A．with, with | B．in,in | C．in, with | D．with, in |