专四专八考试

解析:Mr. White works with a chemicals im

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【单选题】Mr. White works with a chemicals import export company, but he for the industrial fair, since he is on leave.


A.has worked
B.works
C.has been working
D.is working


网考网参考答案:D
网考网解析:

分析句子结构,根据since he is on leave的提示,说明是指他现在在做什么,强调节器的是现在,所以正确答案是D。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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