My mother says that I __________ be home by 9 p.m. A. have to     B. has to              C. don’t have to         D. doesn’t  have to  2. We __________ go now because our dad is waiting for us. A. have to     B. has to               C. don’t have to           D. doesn’t  have to  3. She ______ wear that costume because it’s the family tradition. have to     B. has to               C. don’t have to           D. doesn’t  have to  4. In the past, men have to wear Ao Dai, but today they            wear it. have to     B. has to               C. don’t have to           D. doesn’t  have to  5. He______  go to school today because it was raining heavily. have to     B. has to             C. don’t have to           D. doesn’t  have to  6. I can stay in bed tomorrow morning because I             go to work.  A. have to     B. has to              C. don’t have to           D. doesn’t  have to  7.There ‘s a lift in the building so she            climb the stairs. A. have to     B. has to               C. don’t have to           D. doesn’t  have to Giải giúp em với