----- Nội dung dịch tự động từ ảnh ----- (1) Choose the correct woras. 1. Why do you behave less respectful / less respectfully / the least respectful these days? 2. He's the least/ the less / least intelligent member of the family. 3. The boys are quieter / more quieter / more quietly than usual. 4. If you study more hardly / hardlier / harder, you won't fail. 5. I prefer the violin because I can carry it more easily / more easy / more easier than the guitar.