gấp ạ ----- Nội dung dịch tự động từ ảnh ----- 12 Trains are usually. buses. O A. expensiver than O B. expensive than O C. more expensive than I enjoy 13 on my town O A. being O be OC. to be 14 late for school. O A. occasionally O B. occasionally am OC. am occasionally 15 My father usually works in an office, but today, he at home. O A. is working O B. works O C. is work 16 There aren't biscuits in the kitchen. O A. a O B. any O C. some 17 This pen isn't yours, it's O A. my O B. mine OC. me