A teacher of English and class teacher _______ us something about volunteer workers.
| A．are telling | B．is telling | C．are given | D．were given |
_____ the 2000 Olympic Games will be held in Beijing is not known yet.
| A．Whenever | B．If | C．Whether | D．That |
What the doctors really doubt is _____my mother will recover from the serious disease soon.
| A．when | B．how | C．whether | D．why |
_____we’ll go camping tomorrow depends on the weather.
| A．If | B．Whether | C．That | D．Where |
Does _______ matter if he can't finish the job on time?
| A．this | B．that | C．he | D．it |
I hate _____when people talk with their mouths full.
| A．it | B．that | C．this | D．them |