After all of us finished our homework, the teacher told us _________at once.A.to hand it inB.hand them inC.to hand them outD.hand it out
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A解析试题分析：选项中hand in是交上，hand out是分发。题目说完成作业后，所以应该是上交作业，用hand in；而tell的用法是tell sb. to do sth.所以本题应选A。考点：本题考查短语的用法。点评：必须会区分hand in和hand out；掌握tell的用法。