As for how to promote public education, Professor Li gave us a lot of suggestions which reasonable and practical.
A. appeared
B. sounded
C. looked
D. listened
网友回答
A. appeared
(答案→)B. sounded
C. looked
D. listened
解析：考查动词。A出现；B听起来；C看起来；D听。句意：关于怎么提升公共教育，李教授给我们很多听起来合理和实用的建议。