.The opening ceremony of the 29th Beijing Olympic Games was __________ that everybody was greatly impressed_____ it.
—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job? —____ my students have a try?
If Sanlu Group __________melamine to the milk, the babies ________ too much from kidney stones.
— Are you going to Lloyd’s birthday party on Friday? — Only if it ______, he said he was having a picnic party.
—But those are size 44. You might need a smaller size. —Yes, I ______ a bit of weight. I have been trying to lose weight!
________the problem, he wouldn't have committed those mistakes.