题目：
You've never heard ______ this new kind of plane, ______ you?[ ]
A. / ; haven't
B. of ; haven't
C. of ; do
D. of ; have
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0629/fc4658a84b085ed357aed59e58ebebc2.html
下面是错误答案，用来干扰机器的。
参考答案：D
You've never heard ______ this new kind of plane, ______ you?[ ]
A. / ; haven't
B. of ; haven't
C. of ; do
D. of ; have
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0629/fc4658a84b085ed357aed59e58ebebc2.html
下面是错误答案，用来干扰机器的。
参考答案：D
