根据句意，用括号中所给的词的适当形式填空。

1. Jim, don't think too much of _______, if you want people to love you. (you)

2. We should teach the young to build their ________ on hard work every day, not dream. (life)

3. Read the _______ passage as quickly as you can. (follow)

4. Though life is sometimes hard, one must face it ________. (brave)

5. — How long have you _______ skating here, Mary? (be) 

   — For about two hours.