When the teacher asks him, he always ____.

The managers of the two companies are holdingtalks in a light and lively______

Yesterday morning in a city in the USA, a crowd of dustmen went on a strike to ______ complaints about their low pay．

Henry didn’t ask his mother to buy a car for him; ______ , he bought one for her.

There ______ lots of bad information which is not ____ for teenagers on the Internet.