Vt lại và sắp xếp t.a lớp 7

Giải thích

III. Do as direct: 1. We want to make our school green and clean, so we have cleaned the school yard and planted flowers. ..because.......... 2. cooking meals/people/ enjoy / for / homeless/Volunteer students. -- 3. I/because/volunteer / makes / a difference / community / in / our/it. ...