great efforts to practice English, Mary has made much progress inspoken English.

What did you say to your sister I saw her crying in the room.— It _________ my fault. I just said hello to her when I met her, nothing else.

May I have a look at the magazine China Today –Certainly. _______.

_______I toured Zhangjiajie, I was deeply impressed with its beautiful scenery

I don’t like physics ______ it’s too difficult for me.