题目内容
【题目】This is one of the best novels which once popular among students.
A．are
B. is
C. were
D. was
【答案】C
【解析】 在“one of+复数名词+从句”的结构中，如果one前面有the only/the first/the last等修饰时，从句中的谓语动词就用单数形式，否则，就用复数形式；once曾经，和过去时连用。
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题目内容
【题目】This is one of the best novels which once popular among students.
A．are
B. is
C. were
D. was
【答案】C
【解析】 在“one of+复数名词+从句”的结构中，如果one前面有the only/the first/the last等修饰时，从句中的谓语动词就用单数形式，否则，就用复数形式；once曾经，和过去时连用。