When I arrived at the station, I found the train _________ for passengers. 

She can’t ______ having nothing to do.

 —Do you still remember the first time you _______with a girl? —Not exactly, but I remember it was a Sunday.

—What are you going to do this afternoon?   —I am going to the cinema with some friends. The film ____ quite early, so we ____ to the book-store after that.                                               

 —Why does the lake smell terrible?—Because large quantities of water           .