Why don't you go get some of those Earth plants(that/which) I see growing aroud here?
有个定语从句在里面,用that或者which引导,指这些植物是我看到就长在四周围.why don't you +动词原形,表示提建议,“为什么不.”
句意：我看这周围长着些植物,你怎么不去弄些呢?