we musn't buy things we don't need.请问这是什么从句?

we musn't buy things we don't need.请问这是什么从句? 英语句子We musn't buy things we don't need.中间有省略词吗?省略词是什么? “We mustn't buy things we DON'T need.”这个句子是什么从句? We have ____that we can buy ___that we couldn't buy before.A so much money,too many things.B so many money,too much things.C too much money,so many things.D very more money,too many things. We can buy lots of things with (m ---),but it doesn't always bring us happiness We shouldn't buy things made of ivory.这里的made是什么用法? This is a p___letter.So we musn't open it.卡卡， we musn't (start a campfire )in the forest请问括号叫如何提问?谢谢. We can buy a lot of things with __,but it doesn't always bring happiness.__填什么 句型：We must save the trees and not buy things made of ivory.为什么buy前用了not,而不是don‘t ,made用过去式? Don't buy the things you don't( ) musn‘t和 don't 的用法 We bought many things in the supermarket.(改为否定）为什么是We didn't buy some thingsin the supermar为什么不要把some 变成any 英语改错 what else things do we need to buy We often buy things ____the shop on ____ way home. We have a large s____ to buy different things. we often buy many kinds of things in the shop We can buy many things in the d____ store