How glad they were to see each other again in Hongkang!这里为什么用不定式H_英语解答

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

人气：195 ℃　时间：2020-01-28 11:14:59

解答

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