题目内容
2.Every few years,the coal workers their lungs X-rayed to ensure their health.( )A. | are having | B. | have | C. | have had | D. | had had |
分析 句意:矿工每隔几年就要做肺部的X光检查以确保身体的健康.
解答 答案B."every few years"是一般现在时的时间状语,所以句子谓语要用一般现在时态.故选B.
点评 本题是基础题,要挖掘出解题的突破点,本题"every few years"是解题关键.
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