40._____ the 2000 Olympic Games won't be held in Beijing is known to all.
A. Whether B. If C. Whenever D. That
39. _____ leaves the room last ought to turn oft the lights.
A. Anyone B. The person C. Whoever D.Who
38._____ you have done might do harm to other people.
A. What B. That C. Which D. The things
37. It happened _____ I wasn't there that day.
A. when B. why C. where D. that
36. It's a great pity _____ we won’t be able to finish the task on time.
A. when B. that C. why D. where
35. It doesn' t matter _____he' s come back or not.
A. if B. whether C. that D. when
34. It has been decided _____ he will be sent there.
A. if B. whether C. why D. that
33. _____ Mr Zhang said is quite right.
A. That B. When C. What D. Whether
32. It is very clear _____ our policy is a correct one.
A. what B. that C. why D. where
31. It is strange _____ she have left without saying a word.
A. that B. what C. why D. how