Through years of hard work, Mrs. Smith, who ____ as a secretary for five years, is general manager of the company now.
| A．serves | B．served | C．has served | D．had served |
Do you think it necessary that we have all the chairs_________?
| A．to be replaced | B．replace |
| C．being replaced | D．replaced |
________do you think _________ the monitor of our class?
| A．Who;to be | B．Who;will be |
| C．Whom;to be | D．Whom;will be |
.We were about to go downstairs when the lights_________.
| A．turned off | B．went off |
| C．gave out | D．wore out |
.Jack couldn’t answer the question_________ got the money.
| A．so he | B．as soon as he |
| C．so that he | D．how he |
—You did so much work today.You must be very tired.
—No,I’m not_________tired.
| A．a little | B．rather | C．fairly | D．a bit |