Mr Smith was really helpful when you were in financial difficulty during those years— Definitely I can never appreciate his kindness ________

I think you look great as you are. You shouldn’t be _________ about your weight.

I ___ here on time tomorrow

I think I should wear a dress instead of this jeans. — It’s just a small informal party, so you don’t have to _____.

Finding information is not a big deal today..— Well, the ______is how we can tell whether the information is useful or not.