After graduating from college ,I took some time off to go travelling, __________ turned out to be a wise decision.
| A．that |
| B．which |
| C．when |
| D．where |
33. Some people skip meals or eat only tiny amounts of food and may have conditions ______ rob the body of the nutrients ______ needs to grow and stay healthy.
| A．which…it | B．that…that |
| C．where…that | D．where…it |
32. Fireworks, ________ of gun powder or flash powder _______ in a tight paper tube, make the big flash or boom effect.
| A．consisting…wrapping | B．consisting…wrapped |
| C．consisted…wrapped | D．being consisted….wrapped |
31. In the past few years, research has suggested that Vitamin D may increase the level of serotonin（血清素）, one of the key neurotransmitters influencing our mood, and ________it helps to relieve mood disorders.
| A．that | B．where | C．what | D．Which |
30. Chinese must have the largest number of speakers, ________ ?
| A．mustn’t that | B．haven’t they |
| C．don’t they | D．doesn’t it |
28. More Than a Game, a documentary which follows NBA star LeBrown James’s path
_________ a star, came out on October 2, 2009 in the US.
| A．to become | B．to becoming | C．in becoming | D．during becoming |