Question

【题目】At no time ______ serious about his studies.

A．was John ever B．when John was not

C．was John never D．John was never

Answer 1

【答案】A

【解析】否定副词短语置于句首引起的倒装，句子用部分倒装结构，谓语动词与主语保持一致。句意：约翰对他的学习从不认真。