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

If she ________ medicine earlier, she _______ ill now.

Not only _____ hard but _____ also kind. 　　[ ]

_______ readers came to the bookshop but only __________ got the book.

In communication, a smile is usually ________ strong sign of a friendly and ________ open attitude.