Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.
| A．where | B．when | C．that | D．what |
—Was his father strict with him when he was at school?
—Yes. He had never praised him________he became one of the top students in his grade.
| A．after |
| B．unless |
| C．until |
| D．when |
As we joined the big crowd I got________from my friends.
| A．separated |
| B．spared |
| C．excuse |
| D．missed |
The________of the accident is still being looked into.
| A．reason |
| B．cause |
| C．excuse |
| D．start |
“How about a picnic this weekend？”“________I'm free then.”
| A．Yes, thanks. |
| B．Why not? |
| C．No, I am busy. |
| D．It's a pity. |
The six-lane highway is worth________.
| A．to be use |
| B．used |
| C．use |
| D．using |