How glad they were to see each other again in Hongkang!这里为什么用不定式
问题描述：
How glad they were to see each other again in Hongkang!这里为什么用不定式
How glad they were A each other again in Hongkang!
Ato see Bsee Cseeing Dseen
为什么选A.谁能教下
答
be glad to do sth
这是一个感叹句,换成陈述句就是
They were glad to see each other again in Hongkong