1. are

I am ukrainian.

2. is

She is 14.

3. are

They went shopping.

4. is

It is Cherkasy.

5. is

It is Jack Stauber.

Ответ:

What nationality are you?

I'm Belarusian /Russian ( не знаю, кто ты)

How old is your brother/sister?

He(she) is..... year old.

Where are you parents......?

They are at the kitchen.

What is the name of your home town?

(название своего города пишешь)

Who is your favorite singer?

Cardi B (как пример, можешь другого человека писать)