----- Nội dung ảnh ----- Exercise G15. Fill in the blank with the correct form of the verb. 1. He is (clever) __________ student in my group. 2. She can’t stay (long) __________ than 30 minutes. 3. It’s (good) __________ holiday I’ve had. 4. Well, the place looks (clean) __________ now. 5. The red shirt is better but it’s (expensive) __________ than the white one. 6. I’ll try to finish the job (quick) __________. 7. Being a firefighter is (dangerous) __________ than being a builder. 8. Lan sings (sweet) __________ than Hoa. 9. This is (exciting) __________ film I’ve ever seen. 10. He runs (fast) __________ of all. 11. My Tam is one of (popular) __________ singers in my country. 12. Which planet is (close) __________ to the Sun? 13. Carol sings as (beautiful) __________ as Mary, but Cindy sings the (beautiful) __________.