I have five picture books. And my mother buys two story books for me. How many books do I

问题补充：

I have five picture books. And my mother buys two story books for me. How many books do I have?

A five B two C ten D seven

答案：

解析：考查数词的用法。句意“我有五本图画书，妈妈又给我买了两本故事书。我有几本书？”根据句意可知，“我”用7本书。故选D。