1.Is this black suitcase---------(you)? 2.These are the ---

______ your suitcase?A.Is this B.Are these C.Are this 改正句子：1.These are you pens? No,they are not. 2.Is this your f This suitcase belong to you .They are …… Is this watch____ you are looking for these days? look,these ( )are so nice ,one is black ,the other is white. 1.Kate's shoes are black.(对划线部分提问)(划线部分：black)2.This is an o 一.句型转换1.The pen is black.(改为一般疑问句)The pen _____ black.2.This 1.You are looking for the doctor.She is busy.2.This is our s 1.this is a sport club.2.he is a player.3.these are watches. 1.This book is mine.2.That eraser is yours.3.These boxes are 1.The black gloves (are) for Su Yang.2.This pair of gloves ( This suitcase belong to you.They are后面添什么,为什么