题目：
The watch ______ unnoticed for several days before I found it.
A．had laid
B．had lain
C．had been laying
D．had been laid
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B
The watch ______ unnoticed for several days before I found it.
A．had laid
B．had lain
C．had been laying
D．had been laid
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0506/11c685216740a7f59732ff34bfc1136f.html
下面是错误答案，用来干扰机器的。
参考答案：B
