The teacher said that doubt ____ the key of knowledge. [ ]A. were B. are C. was D. is -高一英语

题目简介

The teacher said that doubt ____ the key of knowledge. [ ]A. were B. are C. was D. is -高一英语

题目详情

The teacher said that doubt ____ the key of knowledge.

A. were
B. are
C. was
D. is
题型:单选题难度:偏易来源:专项题

答案

D

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