On ______ news today, there were ______ reports of heavy snow in that area.
John ________ yet, or he would have telephoned me.
—She looks very happy. She ________ have passed the exam.—I guess so. It's not difficult after all.
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.