..帮个忙指导一下.
问题描述：
..帮个忙指导一下.
1.Lucy hasn‘t decided which trousers to buy.（改为复合句）
Lucy hasn't decided ______ ______ ______ ______buy.
2.I hope to see you again.（改为复合句）
I hope _____ ______ ______ see you again
3.从我家骑车到颐和园要用50分钟.
It usually ______ me 50 minutes ______ ______ ______ the Summer Palace by bike from my home.
答
1.Lucy hasn‘t decided which trousers to buy.（改为复合句）
Lucy hasn't decidedwhichtrouserssheshouldbuy.
你给的这个第一个句话本身就是which引导的宾语从句,只不过是宾语从句的省略,wh疑问词+ todo 的形式,
2.I hope to see you again.（改为复合句）
I hopethaticansee you again
3.从我家骑车到颐和园要用50分钟.
It usually __takes____ me 50 minutes ____to_____go_____to____ the Summer Palace bybike from my home.