I heard Max sing just now. What beautiful voice!— That’s true. He also has good sense of humour.

Beijing is one of the ____ in the world.

Lingling and Betty are great. ____ of them have been chosen to enter the maths competition.

When _______ your mother _______ you that blue dress, Mary-Sorry, I really can’t remember.

By the time I got to the cinema, the movie for nearly half an hour.