Question

—Is Bob still performing??

—I?m afraid not.He is said _______ the stage already as he has become an official.?

A. to have left B. to leave?

C. to have been left D. to be left?

Answer 1

A?

解析:

此题考查学生对动词不定式的时态和语态的掌握和运用能力。首先leave作“离开” 讲时是不及物动词，没有被动形式；其次，句中的already 表示完成概念。因此选择表示主动兼完成的to have left。