—Some Chinese students find it hard to get used to the life in London.  —Exactly, ______ they’ve learnt a lot about the city before.

He was seriously injured in the traffic accident. _______ is now no possibility _____ he will make a full recovery.

I was on the point of going to bed ________ Mr. Zhang rang.

You have failed two tests. You’d better start working harder, ____ you won’t pass the course.

--You will get into big trouble ____ you can’t prove that you didn’t cheat in the exam.--I know. I will collect enough evidence to make them believe me.