To improne the pmlity of our products we uaked for nuggratior a had used the producu.A. wh

发布时间：2020-08-16 11:30:40

To improne the pmlity of our products we uaked for nuggratior a     had used the producu.
A. whacver
B. who
C. whichever
D. which

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(答案→)A. whacver
B. who
C. whichever
D. which
解析：考查关系代词。这儿     used the products。是个宾语从句，从句中缺少主语，并且指人，所以用whoever.选A。
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