（届北京市海淀区高三下学期期中练习英语试卷）
You cannot take back your words ______ they are out of your mouth.
| A．before | B．whether | C．once | D．while |
Some parents are just too protective. They want to __________ their kids from every kind of danger, real or imagined.
| A．spot |
| B．dismiss |
| C．shelter |
| D．distinguish |
—Sorry, I have to __________ now. It's time for class.
—OK, I'll call back later.
| A．hang up |
| B．break up |
| C．give up |
| D．hold up |
(2009·北京) For breakfast he only drinks juice from fresh fruit __________ on his own farm.
| A．grown |
| B．being grown |
| C．to be grown |
| D．to grow |
After that, he knew he could __________ any emergency by doing what he could to the best of his ability.
| A．get away with |
| B．get on with |
| C．get through |
| D．get across |
Never before __________ seen anybody who can play tennis as well as Robert.
| A．had she |
| B．she had |
| C．has she |
| D．she has |