根据句意及汉语提示完成句子。

1. We      (决定)that we wouldn't go on vacation.

2. Three members of the class were      (缺席)his morning.

3.  He didn't go to school because of his       (病)

4.  I don't think the teenagers should wear      (设计的)  clothes.

5. The teacher made ____(建议）about on how to learn English well.