this is a pear tree.改为复数把这句话改为复数形式

this is a pear tree.改为复数把这句话改为复数形式 This is a pear.改为复数句 This is a yellow pear.对a yellow pear 划线部分提问 These are an apple and a pear.还是This is an apple and a pear. This is a apple.That's a pear.改错. this is a pear改为复数（要有some） What is this ____ ____?It's a pear. This is a green tree (a green tree)怎么提问 this is a tree 改为复数句 This is a young tree.(改为复数) 你想把梨分给你的朋友吃,可以用英语说：A.Is this a pear?B.A pear,please?C.A pear? 把There is a pear tree on the hill .和He is a good father.改成复述句 This is a tree .The tree is tall (合并成一句) This isThis is a tree .The tree is tall (合并成一句) This is _____ ____ _____ pear tree的复数 1.Mary and Jane are in the same grade.(改写,意思不变)Mary and Jane are（）in（）grades.2.This is a book about Shanghai.（对划线部分提问）划线部分：about Shanghai（）（）is this?3.This is not an old pear tree.(改写,意思 （）1.This is () pear and that is () apple.A.a,an B.a,a C.an,a 改错：This is a two-meters-tall tree. A:Is this tree short?B:No______________________________.快