Write the sentences in the negative (Напишите предложения в негативном смысле) We're from Australia.
You're Japanese
He's from the US.

We aren't from Australia

You aren't Japanese

He isn't from the US

We are not from Australia/we aren’t from Australia.
You are not Japanese/ you aren’t Japanese.
He is not from the US/ he isn’t from the US.
И один,и другой вариант правильные:)