5.   (separate) your things into different groups.

4. It is important for students   (develop) healthy eating habits.

3. We all hope to live in a   (noise) environment.

2. The doctor didn't know what caused the man's  (blind) .

1. You must give up your bad   (habit) .

5. It is important for us to  (形成) a green lifestyle.

4. You should finish the work with three  (步骤).

3. We all know knowledge is  (力量).

2. Don’t throw away anything  (粗心地).

1. You can find a   (简单的) way to solve the problem.