a book and a pen is on the desk.对吗,为什么?
问题描述：
a book and a pen is on the desk.对吗,为什么?
答
对的，就近原则，A PEN 是单数
答
2个物件嘛
应该用复数
A book and a pen are on the desk。
还有首字母要大写
答
不对,There is a book and a pen on the desk.
答
肯定是is啊，就近原则，毫无疑问啊！