i don't know when to study and when to play.不是否定句么?怎么不用or?

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/05/23 22:28:39

如果用or 的话,这句话应该是这么说的: i don't know when to study or play.
用and 在这里,其实完整的句子是 i don't know when to study and I don't know when to play. 我不知道什么时候去学习也就不知道什么时候去玩了!
供你参考,希望能帮到你.

i don't know when to study and when to play.不是否定句么?怎么不用or? 同义句,Jim can't decide when to play and when to study.Jim can‘ I don't know when to leave I don't know when leave 还是I don't know when to leaf I don't know when the Greens will go back to England.变为同义句 I don't know when to leave为什么when后面要加to. I don't know when he_________.I must talk to him when he ___ I don't know when he ____,I must talk to him when he____. I don't know when he ____,I must talk to him when he____.(co I don't know when Lucy __ to see me.When she ___,please tell 将复合句变成简单句 I don't know when I can get the ticket to the movi would you tell me when to study and when to play是什么句式