When changing lanes, a driver should use his turning signal to let other drivers know _________ .

Everyone in the village is very friendly. It doesn’t matter ___ you have lived there for a short or a long time.

As far as I know, quite a few creatures in this film are not real at all, and a lot of ________ happens is imaginary.

At no time ________the rules of the game. It was unfair to punish them.

As is reported, it will be more than 20 years ________ humans are able to walk on Mars.

My father____ a teacher, but now he works in a factory.

John opened the door. There____he had never seen before.

Police have found         appears to be the lost ancient statue.

It is not how much we do but how much love we put into what we do_____benefits our work most.

The police were seeking more information to find out _____killed the rich merchant.