lucy hasn't decided which trousers to buy改为复合句 I

lucy hasn't decided which trousers to buy改为复合句 I ..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 which trousers to buy.(改为复合句)怎么改【解析】!一定要 Lucy hasn't decided which trousers to buy.(改为复合句）→ lucy hasn't decided which trousere to buy改为复合句 lusy hasn't decided which trousers to buy.(改为复合句） 请将下列语句改为宾语从句：Lucy hasn't decided which trousers to buy. 改为复合句和简单句将此句改为复合句：Lucy hasn't decide which trousers to buy.L Lucy hasn't decided which thousers to buy 改为宾语从句:Tom hasn't decide which backpack to buy. 改为同义句：He hasn't decided where he will buy a new house.He has I didn’t know what (改为which )one to buy为什么这样改,wh