新概念英语第三册 练习题
新3 第三十课（p145页）课后练习题第八题
8.Joe and Bob were the only other people who knew the secret______thier wives.(11.19-20)
(a)and did not tell （b)which they did not even tell
肯定是a或b中的一项,但我不确定是哪一项.答案给的是a,请英语高人指点迷津.