英语词汇题2.The only for his strange behavior is that he’s been working too hard.
问题描述：
英语词汇题2.The only for his strange behavior is that he’s been working too hard.
2.The only for his strange behavior is that he’s been working too hard.
a.explanation b.explaining c.explain d.explained
答
对他的奇怪行为的唯一解释是他太努力学习了
A是名词,其他是动词的现在时,完成时
The后应用名词