题目: 钩端螺旋体病的主要传染源是()A.猪 B.老鼠 C.患者 D.兔子 E.犬 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0320/9275276ad1eaa5d37890eefefb1bcc83.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 —Look! The man at the gate _______ be our headmaster. He is always standing there every morning. —No, it _______ be him. He is holding a meeting in the office now. [ ]A. must, can't B. must, mustn't C. can't, can't D. can't, mustn't 查看答案