－Oh, it’s you, Steve! I ______ you. 　 －No surprising. I’ve just had my hair cut.

China’s population is expected to increase to about 1.5 billion in 2040, _____ it will start to decline slowly.

It was reported that an agreement ________ between the two companies and that they would carry out a project together

In some of the war-torn countries temporary homes had to be put up quickly to ___________ the homeless.

Can you come on Monday or Tuesday, Scott —I’m afraid_____ possible. I’ll be on business on those two days.