改错：what advance equipments have they bought for the new factory?

改错：what advance equipments have they bought for the new factory? advance Advance What is this. 改错 改错,what are you 改错:what a great weather? What a great weather .改错 改错 What are you listening? What are you going.【改错】 改错:What is she do? what does you do改错 what about go hiking改错 What grade are you?(改错) 改错:What's it name? what did he said改错 改错 what is she do? What are your do?改错： What the date today?改错