1) You ___ eat fruit. It’s healthy. a) can b) could c) should d) must e) mustn’t f) couldn’t 2) I ___ talk now. I'm too busy. a) can b) mustn’t c) should d) must e) can’t f) couldn’t 3) People ___ eat too much salt. a) can b) could c) should d) shouldn’t e) mustn’t f) couldn’t 4) ___ you run fast? a) Can b) shouldn't c) Should d) Must e) Shouldn’t 5) You ___ steal from shops. a) can b) could c) mustn’t d) shouldn’t e) couldn’t f) can’t 6) Builders _____________ put on a hard hat at work.  a) can b) have to c) could d) don't have to 7) I ___ do it, it was too hard. a) can b) could c) should d) shouldn’t e) mustn’t f) couldn’t 8) It’s late. I ___ go right now! a) can b) could c) should d) have to e) shouldn’t f) mustn’t 9) He ___ speak Chinese excellently. a) can b) could c) should d) shouldn’t 10) ___ you read when you were five? a) Can b) Could c) Should d) Must e) Mustn’t f) Shouldn’t 11) Children usually _____________ go to school on Sunday. a) don't have to b) can't c) must d) should 12) Receptionists ____________ know how to use a computer. a) can b) should c) have to d) haven't to

Can/ could, should/ shouldn't /must/ 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：？