A-A+
He is used to flying by air and on no occasion
问题详情
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此题含义为：他习惯于坐飞机旅行而且从来没有感到害怕过。句中on no occasion表示的是“从来没有”的含义，这个否定短语放在句子前面时主谓语要进行倒装。所以选D。
