几道英语题 高手速来解决

题目

几道英语题 高手速来解决
1.Is it a fast train or not ?Could you tell me?合并为一句话
Could you tell me --------- ------------a fast train or not ?
2.The idea is wonderful.改为感叹句
------ -------- ---------idea it is!
3.My parents have never been to beijing ,-------- ------ 完成反意疑问句

答案

whether it's
What a wonderful
have they