The accident produced a very bad impact on the society, so those who _________ the project were severely punished.
A survey has shown that 40% of those killed in traffic accidents ________ if they had been wearing seat belts.
—The research on the new flu virus vaccine is challenging and demanding.Who do you think can do the job?—________ my students have a try?
—Mum, can I watch the TV program for another twenty minutes?—Sorry, dear, it's time you ________ to bed.
________ him not to do so, he wouldn't have made such a serious mistake.
—Look at the full moon. How beautiful it is!—How I wish I ________ on it some day!