It was _________ difficult work ________ nobody can do it.

 __________, we’d bought a city map. We may get lost without it.

——How often do you go skating?——________.I can’t skate at all.

—We are free this afternoon. Let’s go to play computer games.—Well. I think I’d better watch an English program _________.

I like English very much, so I ________ listen to the tape in the morning.