During the students’ first teacher training year, they often visited schools for the _____ of lessons.
| A．examination | B．investigation | C．inspection | D．observation |
It was dark, so we decided to ______ for the night at the farmhouse.
| A．put up | B．build up | C．set up | D．stay up |
I was about to leave the office ______ the telephone rang．So I stopped ______ it．
| A．when; to answer | B．when; to reply |
| C．while; answering | D．as; replying |
Finding her car stolen,_______
| A．a policeman was asked to help | B．the area was searched thoroughly |
| C．it is looked for everywhere | D．she hurried to a policeman for help |
I’m surprised to find her mother hit______.
| A．her | B．her head | C．her on the head | D．her on her head |
Don’t leave the water______ while you brush your teeth.
| A．run | B．being running | C．to run | D．running |