----I think it’s impossible for us to work out the plan in just two days. It’s too difficult.----You’re right. We can’t be _______ careful and hard while working on it.
— Where did you go on ______ Day? —Nowhere. I just studied at home.
— Which do you prefer, soda or coffee? —I like ______ of them. Tea is my favorite.
—I need something for cutting the paper. — Oh, you want a knife? Ok, I’ll get ______ for you.
—Do you know him? —I’m sure I’ve seen him _____, but I can’t remember the right place.
This is the most interesting book ______ I have ever read.