—Is Mr. Wang still teaching in this school?
—I’m afraid not. He is said the school as he was diagnosed with liver cancer.
A. to have left
B. to have been left
C. to leave
D. to be left
网友回答
(答案→)A. to have left
B. to have been left
C. to leave
D. to be left
解析：考查固定句型：句意：--王先生还在学校教书吗？--恐怕不了，据说，他已经离开学校，因为他被诊断为肝癌了。Sb /sth is said to do/to have done…，某人/某物据说将要做…、已经做了…，动词不定式的完成式表示该动作发生谓语动词之前。“I’m afraid not.”表明Bob不再教书，已经离开了学校。选A。