来自苏永秀的问题
whathappenswhenyouaredoingthesethings?为什么happens加s
whathappenswhenyouaredoingthesethings?为什么happens加s


whathappenswhenyouaredoingthesethings?为什么happens加s
whathappenswhenyouaredoingthesethings?为什么happens加s
what什么事,视作不可数名词,是单数概念,用三单happens