_______ the children grew old, they became more and more _______ in science.

(2014·河南南阳联考)Generally speaking，almost all the kids are________about how everything around them works.

Peterson used to work in a remote mountain village school, which is only        on foot.

Henry said he stayed at home all day, but I saw him in the supermarket. It’s __________that he was lying.

Coffee is said to have_____ effects.