There are six classes in Grade One ,这个句子什么结构

There are six classes in Grade One ,这个句子什么结构 ------classes are there in Grade Four?Four. we have six classes in grade one.改为同义句 We have six classes in Grade One.(同义句） （ ）（ ）six classes in We have six classes in Grade One.______ _______six classes i There are six students in______group_____are from Grade One How many classes are there in your grade? We have six classes in Grade One.同意句怎么改 横线 横线 six 横线 in Grad There are ten classes in the grade.(改为同义句) The grade()ten cl there are about five hundreds students in Grade One 改错 How many classes are there in your grade.翻译和回答 We are in the same grade but we are in d______ classes 横线填什么