1 . ________ ________you mentioned it, I do remember the incident. (用适当的词填空)

2 . ________ ________ (考虑到) the chairman was absent, we decided to delay the meeting. （根据汉语提示完成句子）

3 . ______ ______ (鉴于) Neil Armstrong wanted to take a football to the moon, we could even say that it is also the most popular sport out of this world.（根据汉语提示完成句子）