she want to go to the cinema中的want为什么不加“s”?the boy ask Lily to his party中ask为啥不加s?

问题描述:

she want to go to the cinema中的want为什么不加“s”?the boy ask Lily to his party中ask为啥不加s?

正确的用法应该有S 的谢谢,可是为啥书上答案这么印呢?(剑桥儿童英语基础版第2级下册同步练习29课第2题的第3和4小题)