A student at a Nevada middle school opened fire on campus, wounding two l2-year-old boys and__________ a math teacher.
| A．kill | B．killing |
| C．killed | D．to kill |
---I hear Tony ______ as a lawyer. Why did he quit teaching?
---Who knows? Maybe he just wants to experience a totally different life.
| A．worked | B．is working |
| C．was working | D．will have worked |
______ more than half of us were against the new plan, he still decided to carry it out.
| A．As | B．Since | C．Unless | D．While |
---What do you think of the two students ______ to take part in the competition?
---They are hardworking as well as intelligent.
| A．selecting | B．to select |
| C．selected | D．having selected |
You should _____ the advantages and disadvantages before making a decision.
| A．consult | B．balance | C．combine | D．seek |
The reason _____ he was late for school was _____ he had to send his mother to a hospital.
| A．that; why | B．why; because |
| C．why; that | D．that; because |