Whether ways will be found to stop pollution or not is just___________ worries the public.
| A．why | B．which | C．that | D．what |
made the school proud was more than 90% of the students had been admitted to key universities.
| A．What; because |
| B．What; that |
| C．That; what |
| D．That; because |
It is pretty well understood controls the flow of carbon dioxide in and out the atmosphere today.
| A．that |
| B．when |
| C．what |
| D．how |
After three hours’ climbing, they reachedthey thought was the place they’d been dreaming of.
| A．what |
| B．which |
| C．where |
| D．that |
--- The patient looks much better. is it that has made him
he is today?
--- Perhaps the special medicine and his family’s patient care．
| A．What; that |
| B．That ; that |
| C．What; what |
| D．What; which |
David Beckham hasit takes to become a Professional football player.
| A．who |
| B．what |
| C．which |
| D．that |