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(2013·山東，28)________I have to give a speech，I get extremely nervous before I start.

(2013·山東，26)Mark needs to learn Chinese________his company is opening a branch in Beijing.

(2013·遼寧，24)One can always manage to do more things，no matter________full one's schedule is in life.

(2013·江西，28)She says that she'll have to close the shop ________ business improves.

(2013·江蘇，28)In the global economy，a new drug for cancer，________it is discovered，will create many economic possibilities around the world.

(2013·湖南，23)You must learn to consult your feelings and your reason________you reach any decision.

(2013·北京，30)I took my driving license with me on holiday，________I wanted to hire a car.

________ the jewels were locked in a strong box，the thieves stole them without any difficulty.

________ he comes or not，the result will be the same.

________ volleyball is her main focus，she's also great at basketball.(2011·北京)