My sister was angry ______ what he said.
| A．as | B．because | C．because of | D．since |
Follow your doctor’s advice___your cough will get worse
| A．or |
| B．and |
| C．then |
| D．so |
The young people consider ___a computer ,which is condiered___a great help in their work
| A．to buy;to be |
| B．buying;to be |
| C．to buy;being |
| D．buying;being |
Columbus was considered___the great land of America
| A．to discover |
| B．to have discover |
| C．discovering |
| D．having discovered |
___,the student didn’t point out his teacher’s mistake publicly
| A．Out of control |
| B．Out of work |
| C．Out of respect |
| D．Out of reach |
Our teacher always encourages us to read as many books as___
| A．possible |
| B．probably |
| C．likely |
| D．perhaps |