1) We have a lot of work tomorrow. You _______________ be late. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 2) You _______________ tell anyone what I just told you. It’s a secret. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 3) The museum is free. You _______________ pay to get in. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 4) Children _______________ tell lies. It’s very naughty. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 5) John’s a millionaire. He _______________ go to work. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 6) I _______________ do my washing, because my mother does it for me. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 7) We _______________ rush. We’ve got plenty of time. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 8) You _______________ smoke inside the school. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 9) You can borrow my new dress but you _______________ get it dirty. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 10) We _______________ miss the train, it’s the last one tonight. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 11) She _______________ do this work today, because she can do it tomorrow. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 12) I _______________ clean the floor today because I cleaned it yesterday. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 13) We _______________ forget to lock all the doors before we leave. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 14) We _______________ stay in a hotel in London, we can stay with my brother. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 15) I _______________ spend too much money today. I’ve only got a little left. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 16) They _______________ get up early today, because it’s Sunday. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 17) I _______________ eat too much cake, or I’ll get fat! a) mustn’t b) don’t c) doesn’t have to d) don’t have to 18) We _______________ be late for the exam. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 19) You _______________ tidy up now. I’ll do it later. a) mustn’t b) don’t c) doesn’t have to d) don’t have to 20) He _______________ cook tonight because he’s going to a restaurant. a) mustn’t b) don’t c) doesn’t have to d) don’t have to

Modals of Obligation 1

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？