Was it in 1997______he was still at middle school_______ this boy became an expert at computer?
| A．that; where | B．when; where |
| C．in which; in which | D．when; that |
The couple ________ a health centre in Cambodia，________ their seven year old son was born.
| A．run; which | B．control; where |
| C．run; where | D．control; which |
There used to be a mountain in our village, at the top of which ________.
| A．stood a temple | B．was there a temple |
| C．a temple stood | D．a temple was there |
It was along the Mississippi River ________ Mark Twain spent much of his
childhood.
| A．how | B．which | C．that | D．where |
Linda，make sure the tables ________ before the guests arrive.
| A．be set | B．set |
| C．are set | D．are setting |
________caused the accident is still a complete mystery.
| A．What | B．That | C．How | D．Where |