完形填空，通读下面短文，掌握其大意，然后从所给的A、B、C、D四个选项中选出一个可以填入短文空白处的最佳选项。

Today is Sunday. My brother and I 1at home. We want to 2my mother carry(搬运）two boxes into the room. One box is yellow. The other box is red.3 box is red and my brother's box is4. We put 5on the table. We can see 6model plane, a baseball and some other things in the boxes, but my new7isn't in them. I 8my brother for the schoolbag. He finds them9the bed. I always ask where my things are. I think I should be 10from now on.