18 a piano b saxophone c cello d cartoon 19 a simple b common c guitar d music 20 a narrow b expensive c different d famous 21 a tofu b noodles c instead d dinner 22 a bitter b delicious c fragrant d spicy 23 a japanese b lemonade c volunteer d wonderful 24 a convenient b turmeric c vegetables d primary 25 a apartmeent b omelette c instruction d biology 26 a temple b tablet c surround d famous 27 a charity b university c beautiful d interesting 28 a cutural b surprise c imperial d success mik chỉ cần đáp án thôi ko phải viết cả câu đâu