阅读短文，选择正确的答案填空。

    Jim has some rules at home. Here are the rules. He must remember them.

    Don't play with a sharp knife. You may 1 yourself.

    Don't eat 2 ice-cream. You may get 3.

    Don't run 4 the hot water. You'll get hurt.

    Don't walk on the wet floor. You may 5.

    Don't touch the fan. You'll get hurt.

    Don't forget. Safety first.