We were aware that, _____, the situation will get worse.
—She is angry with me, isn’t she? ---______.
---May I have a copy of Lu Xun’s short stories? ---Certainly. ___.
To ___ with, he is too lazy.
He ___ me he was going abroad for further study, but he didn't ___ when he was leaving.
Having entered the classroom, the teacher ___ the book on the desk.