27．As Senior 3 students, it is important to________a good state of mind.
| A．keep up | B．stick with | C．attend to | D．tie up |
He got up late and hurried to his office, ___________ the breakfast _________.
| A．left; untouched |
| B．to leave; untouching |
| C．leaving; untouched |
| D．having left; untouching |
Mary is giving me English lessons__________my teaching her Chinese.
| A．exchange for | B．exchange |
| C．in exchange for | D．to exchange for |
---Are you satisfied with the result ?
---Not at all. ______.
| A．I must be better |
| B．It can’t be better |
| C．I could have been better |
| D．It couldn’t be worse |
---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 |