二.对比练习:1.________many times ,but he still couldn't understand it .对比练习:1.________many times ,but he still couldn't understand it .2.________many times ,he still couldn't understand it .A.Having been told .B.Told C.He was told D.Though he had been told为什么选C 和A?分别在句中做什么成分?
问题描述：
二.对比练习:1.________many times ,but he still couldn't understand it .
对比练习:
1.________many times ,but he still couldn't understand it .
2.________many times ,he still couldn't understand it .
A.Having been told .B.Told C.He was told D.Though he had been told
为什么选C 和A?分别在句中做什么成分?
答