完成句子
小题1:警察挡住车辆让小学生通过。（hold up）
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小题2:学生必须有机会读到好书。（have access to）
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小题3:在他的讲话中，他提到了那次旅行。（refer to）
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小题4:既然你们都来了，咱们开始吧。
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小题5:就是在他出席的会议上，几个难题得到了解决。（work out）
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小题6:这曾经是个教堂，然而现在它成为了一个图书馆。
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小题7:他们说他们已在国外呆了很久了。
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小题1:The police held up the traffic to allow the pupils to cross the road.
小题2:Students must have access to good books.
小题3:In his speech, he referred to that trip.
小题4:Now that you have all come, let’s begin.
小题5:It was at the meeting which he attended that several difficult problems were worked out.
小题6:This used to be a church, while it has become a library.
小题7:They said they had stayed abroad for long.
小题1:考查固定搭配。hold up“阻止，举起”；allow sb to do sth“允许某人做某事”。故翻译为The police held up the traffic to allow the pupils to cross the road.。
小题2:考查固定短语。have access to sth“有机会做某事”；故翻译为Students must have access to good books.。
小题3:考查固定短语。refer to“提到，指”。故翻译为In his speech, he referred to that trip.。
小题4:考查固定短语。Now that“既然”，引导原因状语从句。故翻译为Now that you have all come, let’s begin.。
小题5:考查强调句型。本句强调的是地点状语，which引导的是定语从句。故翻译为It was at the meeting which he attended that several difficult problems were worked out.。
小题6:考查固定短语。used to do sth“过去常常做某事”；while表示对比，意为“而”。故翻译为This used to be a church, while it has become a library.。
小题7:考查宾语从句。从句时态要与主句一致。根据said可知，从句用过去完成时。故翻译为They said they had stayed abroad for long.。