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Keep your slides simple. If they have too much text, people ____ well feel bored.
A.mayB.mustC.needD.can
A
may用于肯定句中表推测 “也许”;can 表推测用于疑问、否定句;must 表推测用于肯定句语气强“一定” 使得你的幻灯片简单些,如果有太多的文本也许人们会感到乏味。 选A
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