Select the formal version for the following sentence:

Hey! Gimme my phone!

Select the formal version for the following sentence:

You are busy, doncha?

Select the formal version for the following sentence:

I feel kinda under the weather.

Select the formal version for the following sentence:

You gotta go home now, your mom is waiting for you.

Select the informal version for the following sentence:

I don't want to break your heart, but if I have to...

Select the informal version for the following sentence:

I am out of gas.

Select the informal version for the following sentence:

Please, let me in!