Mr. Li devoted all his life English. Now he retired.
A. to teach
B. to teaching
C. to be taught
D. to have being taught
网友回答
A. to teach
(答案→)B. to teaching
C. to be taught
D. to have being taught
解析：本题考查动词devote的用法。devote …to 致力于，献身于，短语中的to是介词。本题句意：李先生一生都致力于教英语上，现在他退休了。