Put the verbs in brackets into the present simple or the present continuons

1. We are going shopping. Do you want to come?  I can`t, I amhelping Mom 2. Why are you taking umbrella? It is raining outside. 3.What do you wear at school? I usually wear a school uniform, but today I am wearing my ... 4. What are they talking about? I don`t know. I think, they are trying to ...