This is the house _________ the great man Mao Zedong was born

We can make a fire（火） ______ the room warm.

Did your boss phone you again the next day?—No,it was a fortnight　　he gave me a second call.

Are you going anywhere?—I ______about visiting my sister, but I have changed my mind.

How pleasant is to go fishing with my father! — Yes. Parents and children should spend more time together.