选择方框中动词词组的适当形式填空。

dress up   take part in      pay attention to   laugh at   depend on

When she falls into water, some people _____________ her and some people help to save her.
The little children must ____________ their parents.
I will have a party, so I want to _____________ beautifully.
We should _______________different activites at college.
If you want to improve your English, you should _______________ your pronunciation.