Class 7: Practice 4a- unit 3 Ex 1: Hãy cho dạng so sánh hơn kém và cao nhất của những tính từ sau. Adjectives Comparative Superative cheap hot comfortable happy good cold beautiful interesting thin large lovely new peaceful quiet friendly expensive bad cheaper . . . . . . . . the cheapest . . . . . . Ex 2: Hãy viết " there is " hoặc " there are" vào đầu những câu sau đây. 1. two secretaries in the office. 2. some envelopes on the desk. 3. four offices in that building. 4. some coffee over there. 5. some buses on the street. 6. some stores open now. 7. a clock near his desk. 8. a holiday next week. 9. some water in the glass. 10. a lovely dress in that window. Ex 3: Hãy viết danh từ chỉ ngời của những từ sau. bake dressmake report law art work teach cash cycle novel library electric farm poem Ex 4: . hot comfortable happy good cold beautiful interesting thin large lovely new peaceful quiet friendly expensive bad cheaper . some coffee over there. 5. some buses on the street. 6. some stores open now. 7.