题目

阅读理解。根据下列短文内容选择最佳答案。 Look at this . Here’s a pencil case, it’s orange, it’s my pencil case, it’s on the desk. Look! This is a pen, it’s black. And this is an eraser, it’s blue and white. They’re both (都) in the pencil case. This is a ruler, it’s red, it’s on the pencil case. That is a ruler, too. It’s yellow. It’s in the drawer. Where’s my math book? Ah, it’s there, under the sofa. (    ) 1. This is         pencil case.         A. my               B. her            C. his ( 每千克白菜8角钱，妈妈买了5千克，付给售货员5元，找回多少钱？