第1题: [单项选择]He is used to flying by air and on no occasion ______ frightened. A. he has ever felt B. he ever feels C. ever does he feel D. has he ever felt 参考答案:D 答案解析:[试题类型] 倒装句
[试题精解] 否定词或带有否定意义的词语置于句首,句子需要进行部分倒装,即谓语动词部分的助动词提前到主语之前,这样的否定词包括:never,seldom,rarely,hard