—Is Bob still teaching?—I’m afraid not. He is said the school as he has becom
题型：不详难度：来源：
—Is Bob still teaching?
—I’m afraid not. He is said the school as he has become a businessman.| A．that he has left | B．to leave | | C．to have left | D．to be left |
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答案
| C |
解析
试题分析：根据“as he has become a businessman.”可判断出不定式动作leave发生在谓语动词表示的动作之前，故用不定式的完成时，故选C。
点评：不定式的完成式表示的动作发生在谓语动词表示的动作之前，强调动作的先后顺序。 |
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