— It _______ be Mr.Johnson who is in the office.— No, it _______ be him.I saw him off at the airport half an hour ago.
_________ to 100℃, water will boil.
The traffic is heavy these days. I ________ arrive a bit late, so could you save me a place?
The consequences of our actions are unbelievably complicated and diverse _______ predicting the future is a very difficult business indeed.
The Internet has made it possible ______ in a very convenient way around the world.
On the chairs _________ , who had come to Dalian looking for jobs.