There is a nice cat in the tree.改为复数形式

there is a cat There is a nice cat in the tree.改为复数形式 her is cat pet nice a怎样组合成一句话 her,is,cat,pet,nice,a怎样排成一个陈述句 Is there a cat ____the door There is a cat under the chair. There( )(is/are)a cat and (There( )(is/are)a cat and ( )(a/an)elephant This is my book.(改为复数形式) There is a nice cat in the tree.(改为复数形式)Those are rulers.(改为单数形式) This is my book.改为复数形式 There is a nice cat in the tree.改为复数形式 Those are rulers 单数形式 There is a cat (eat) fish over there There is a cat under the chair.The cat is black There is a small cat in the tree.对画线部分提问.a small cat画线 is over a there that cat .连词成句 There is a cat under the tree.变否定句 there is a black cat under the table.提问 a,behind,there,door,is,cat,the(?) 连词成句 Is there a cat ______(under,behind,in)the door? Look There is a cat ( ) the door介词