—Does coffee really work when you have to work late into night?
—Yes. As far as I’m concerned，I feel very________after a coffee.
| A．energetic | B．normal |
| C．adequate | D．sensitive |
The art center is ______ used to be Factory 789 and _______ millions of tractors were made.
| A．what; where | B．where; where | C．that; which | D．where; which |
____ students should be given more free time is suggested by many experts and welcomed by kids in school.
| A．What | B．Why | C．Whether | D．That |
When I try to find ______that prevent so many people from taking part in the program, it seems to me that there are two main causes.
| A．why it does | B．what it does | C．what it is | D．why it is |
— Will you go to the annual meeting to be held in Sweden from the 26-30th of August 2008?
— That depends on _______ I am invited.
| A．whether | B．if | C．whomever | D．why |
Of one thing I am certain _____ hard work contributes to good results.
| A．as | B．what | C．which | D．that |