1) I don’t want anyone to know about our plan. You ...... tell anyone. a) mustn’t  b) don’t have to c) doesn’t have to 2) Richard ....... wear a suit to work, but he usually does. a) mustn’t  b) don’t have to c) doesn’t have to 3) There’s a lift in the building, so we ...... climb the stairs. a) mustn’t  b) don’t have to c) doesn’t have to 4) I promised Kate I’d call her tomorrow. I ...... forget. a) mustn’t  b) don’t have to c) doesn’t have to 5) I’m not very busy. I have a few things to do, but I ....... do them now. a) mustn’t  b) don’t have to c) doesn’t have to 6) Sophie likes weekends because she .......... get up early. a) mustn’t  b) don’t have to c) doesn’t have to 7) You ......... be a good player to enjoy a game of tennis. a) mustn’t  b) don’t have to c) doesn’t have to 8) You should keep trying to find a job. You ........ give up. a) mustn’t  b) don’t have to c) doesn’t have to 9) I ........... eat too much. I need to be on a diet. a) mustn’t  b) don’t have to c) doesn’t have to 10) We have lots of time before our flight. We .......... check in yet. a) mustn’t  b) don’t have to c) doesn’t have to

mustn't dont have to doesnt have to

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？