How to use modal verbs?

We ___________decide it right now. 

One _____________ obtain a passport to travel abroad.

It's Friday today. I __________ do any homework.

You__________sleep late today, you have an important meeting in the morning.

You __________stop smoking. It is very harmful.

Mr. Dickson is travelling abroad this summer, so he _________________ get his passport soon.

It's freezing outside, so we _______________ take a cab and not walk 

You____________stop at the red light.

I have a terrible headache, so I _______________ leave early.

Judy _______________ stay home, I will take care of the baby.