Only according to the directions can the medicine be quite effective .A.taking B.taken C.being taken

题目简介

Only according to the directions can the medicine be quite effective .A.taking B.taken C.being taken

题目详情

Only           according to the directions can the medicine be quite effective .
A.taking B.taken C.being taken D.having been taken
题型:单选题难度:偏易来源:不详

答案

B

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