must và have to mustang Học cách sử dụng cấu trúc must và have to để nói về điều bắt buộc, nghĩa vụ, lời mời, phỏng đoán và mệnh lệnh. Xem ví dụ, phân biệt và bài tập có đáp án
normally a student must attend Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which he may count towards a degree. In many American universities the total work for a degree consists of three classes per week for fifteen weeks; while attending university a student will probably attend two
a surgeon must To become a good surgeon, it is necessary to understand surgical indications and interventions, gain experience through observation, participation, and research, and learn from the knowledge and mistakes of other surgeons
