When__________ to compare the education of China and Britain, the professor g...

admin2020-12-24 60

问题 When__________ to compare the education of China and Britain, the professor gave noanswer.

选项 A.ask
B.asked
C.asking
D.to ask

答案B

解析当被问到比较中国和英国的教育，教授没有给出答案。此处when asked中省略了he was。把时间状语从句简化为过去分词作状语，故选B。

转载请注明原文地址:https://ti.zuoweng.com/ti/FWk8KKKQ

相关试题推荐

随机试题

__________inuniversitiesaroundthenationhasmorethantripledcomparedt...