问题描述:
英语 句子 ONCE
A large number of once fatal illnesses can now be cured by modern drugs nd surgery
ONCE 是什么个成分?我怎么觉得ONCE是连词?
A large number of once fatal illnesses can now be cured by modern drugs nd surgery
ONCE 是什么个成分?我怎么觉得ONCE是连词?
问题解答:
我来补答展开全文阅读