Why did they go to the library after school yesterday?

问题描述:

Why did they go to the library after school yesterday?
Because they ---- (want) to borrow some books.
请问用什么时态填写,为什么?谢谢!

用一般过去式.Why did they go to the library after school yesterday?Because they wanted to borrow some books.之所以说是“一般现在时”,是因为问句中表示时间的词为“yesterday",昨天,是发生在过去的事,且谓语...之所以说是“一般过去时”,是因为问句中表示时间的词为“yesterday",昨天,是发生在过去的事,且谓语动词为助动词do的过去式did加实义动词go。把一般过去时,录成“一般现在时”吧谢谢啊!