Gạch chân đáp án đúng. 1. These books are on the wrong shelf. They shouldn’t/mustn’t be here 2. There is plenty of time. We mustn’t/ don’t have to be at the cinema until 8.00. 3. Please put the paper cups and plates in the bin. We mustn’t/ don’t have to leave the room in a mess. 4. Thanks for coming. I’m glad you can/ could make it. 5. You look really tired. You should/ mighttake a few days off and have a holiday. 6. - ‘What am I going to do about a present for the hostess?’ - ‘You can/ have to bring her some flowers’ 7. I don’t know what time III be home. I can/ have to be quite late, l’m afraid. 8. Before entering a Japanese house, you may/ should take off your shoes. 9. You mustn’t/ don’t have to conduct any chemistry experiments unless you are wearing safety glasses. 10. Should/ shall show you around to see the festival preparations?