你的书包在哪里？ 英语翻译

用is,因为书包只要一个,可数,单数

Where's your school bag?
Where did you put your bag?
... ...

where is your school bag?

Where are your bags?
你的书包在哪里？
如:
1.Where are your salads?
你们的沙拉在哪里?
2.Where are your trousers?
你的裤子在哪里？
3.Where are your coats?
你的外衣在哪里？
4.Where are your pens?
你的钢笔在哪儿？

where is your bag?

where are your bag?
记住第二人称总是跟are