题目：
—I'm a little tired. Let's go to the zoo by taxi.
—We _____ take a taxi. It's not far from here. [ ]
A. can't
B. mustn't
C. couldn't
D. needn't
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0505/81fb761d3387cace6bf03f981dd2407d.html
下面是错误答案，用来干扰机器的。
小题1:小题2:
