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2.AAnystaff,oncesomkingatthegasstation,willbefiredimmediately.A.foundB.beingfound

题目详情
2.AAny staff,once _____ somking at the gas station ,will be fired immediately.
A.found B.being found
▼优质解答
答案和解析
A
once found smoking=once he is found smoking
非谓语动词作状语时,有时为了能使条件或时间一目了然,可在其前加if/once/unless/when等.