1) You...smoke at the street. a) can't b) mustn't c) must d) have to 2) Children...wear uniform at school. a) must b) have to c) can d) need to 3) My brother...swim. a) can b) mustn't c) has to d) need to 4) Teachers..be patient. a) have to b) must c) has to d) mustn't 5) You...speak loudly at the library. a) must b) needn't c) can't d) haven't to

Modal Verbs

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？