While________(cross) the road, he was knocked over.
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在知识经济时代，国际服务贸易和技术贸易将成为国际贸易的重要内容。()
With the ________ (appear) of credit cards more people got into debt.
He appreciated________(share) my umbrella with me.
Mary’s________(marry) will take place at 12 o'clock today.
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