Scientists say it may be a few years ______ it is possible to test the new medicine onpatients.

30. —______ you pass the examination on the first attempt?—Of course. You know, I have been preparing for it for a long time.

No matter how much money you have，it can not——awealthy body．

Are you learning art now during your sparetime—No, I’ve stopped ________ Chinese medicineinstead.

______ around the Water Cube , we were taken to seethe Bird’s Nest for the 2008 Olympic Games.