Complete the sentences using must, mustn't, have to, not have to (in the correct form). Hoàn thành các câu sau sử dụng must, mustn't, have to, not have to ( theo dạng đúng). a) You ________forget what the teacher has told you. It is very important for your learning. b) I got up early this morning because I___________ go to a meeting. c) I __________get to the shop before it closes. d) We couldn't repair the motorcycle ourselves. We__________ take it to a motorcycle repair service. e) In many parts of the city, office workers ___________ work on Saturday. f) You______________ step on that edge. It is very dangerous. Hướng dẫn giải a) musn't b) have to c) have to d) have to e) don't have to f) mustn't
