题目

— Do you know if we will go for a picnic this Saturday?— I think we will if we ________ any classes. A . won't have B . didn't have C . don't have D . aren't having 答案：C小聪学玩魔方，向小笨拜师学艺．小笨首先出了一道题考小聪．将下列四个图形中的每个小正方形都标上了颜色．若要求一个正方体两个相对面上的颜色都一样，那么下列4个展开图中有 个是正确的．