Ejercicios sobre TAG QUESTIONS en ingles, solo quiero saber si lo hice bien, ¿algun experto en ingles que me diga en que estoy mal? Complete the practice with the right tag question.

My cousin wore rubber boots, Woren´t he?
Louis see that magazine, doesn´t he?
Jennifer was very surprised, wasn´t she?
Tommy and Pat are in Paris, aren´t we?
Workers work hard, doesn´t we?
They are not a new cars, are they?
John did not learn English, did he?
We lived in a flat, Doesn´t we?
Susan broke her glasses, Doesn´t she?
Cars pollute the environment, don´t they?
Hugh had a red car, doesn´t he?
The salesman showed an expensive dress, didn´t he?

Muchas gracias al heroe sin capa que me ayuda