Ai giúp em bài này với ạ 1. It’s compulsory for students to do their homework every day. → Student ……………………………………………………………………….. 2. Is it necessary for me to bring my passport? → Do ……………………………………………………………………………. 3. He helped her, but it was not necessary. → He needn’t ……………………………………………………………………. 4. It isn’t necessary for us to bring an umbrella. The weather is beautiful ( needn’t) …………………………………………………………………………………… 5. It was wrong of you to leave the class without asking for your teacher’s permission (shouldn’t) ……………………………………………………………………………………. 6. It’s possible that Joanna didn’t receive my message ( might) …………………………………………………………………………………… 7. It is essential that all new soldiers have a medical exam (must) …………………………………………………………………………………… 8. It’s obvious that the boy has stolen his friend’s pen (must) …………………………………………………………………………………… 9. Is it necessary for me to be there at 6 p.m tomorrow? (have to) …………………………………………………………………………………… 10. May be you will need to buy a ticket for your child (may) …………………………………………………………………………………