.It’s about a time _____ there were black slaves in North America

Why not join them in their party——Well, I am not invited. And I _______ to go to the cinema.

Tom often __________ interesting stories_______us.

The performance of the host, _________ to please the audience and draw their attention, was greeted with a cold silence, however.

Xi’an is a city with many places of interest and __ tourists come here every year.