The majority of doctors _____ smoking is harmful to health. [ ]a. are believed b. had believed c. ha

题目简介

The majority of doctors _____ smoking is harmful to health. [ ]a. are believed b. had believed c. ha

题目详情

The majority of doctors _____ smoking is harmful to health.
[     ]
a. are believed
b. had believed
c. has believed
d. believe
题型:单选题难度:中档来源:专项题

答案

d

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