spend as much as he can后接什么动词

问题描述

Although busy, Mr smith tries to spend as much as he can ______  with his family.

答案为 staying，请问 to stay 为什么不行，谢谢老师！

老师答疑

曾老师：

这是 spend time (in) doing. 结构。这个句子的完整形式是：

Although busy, Mr Smith tries to spend as much (time) as he can (spend) staying with his family.