Question

11．他答复说他很高兴接受我们的邀请．
He replied that he was very happy toacceptourinvitation．

Answer 1

分析 accept，invitation．

解答 答案：accept，invitation．结合be happy to do sth高兴做某事．accept接受，后加名词invitation邀请，故答案是accept，invitation．

点评 某些形容词+不定式"的结构中，不定式与句子主语有动宾关系时．（常用于此结构的形容词有：difficult，easy，hard，interesting，pleasant，nice，bitter，fit，dangerous，light，heavy，important等）
The picture is pleasant to look at．
The sentence is not easy to understand．
The street was difficult to find on the map．