_________ time went on, I got to know more and more about him.
Liu Lei is_____better at Chinese than Liu Ying.
Who knows the answer______the question?
I think you should tell your partner how ______ popcorn.
---May I have ______ piece of bread with butter? I’m not full.---Certainly. Here you are.
---______will you be back to the office?---In half an hour.