Being young means having all kinds ofpossibilities, so you should challenge your limits and go ______ yourboundaries.

Zhou Weilun could hardly speak English three years ago,____—No,he couldn’t. But now he is quite good at it.

It was really very kind of you to give me a lift home.—Oh,don’t mention it.I _______ past your house anyway

We played for ______ hour in the park. It was ______ great fun!

The cruel mother abandoned her husband and son, ____ that she would never live with a crippled child forever!