— Why does the boy keep crying?— It is ______ he has lost his favorite car model.

_____ I say Clancy is a smart boy, he still needs to work hard to achieve his goal.

I’m sorry I got caught in the traffic；_________, I could have been here sooner．

_____ he said is really interesting.

 We know _____America is great not because it is perfect but because it can always be made better and _____ the unfinished work of perfecting the union falls to each of its citizens.