как верно  воткнуть am, am not,is, isn039;t,are, aren039;t

В каком предложении.

Куда воткнуть?

1. Canada ______ a small country.2. I _____ married.3. There ______ a dog and a cat in the garden.4. There ________ four people in my family.5. There _____ some money on my bank account.6. My sister _______ in the garden. 7. We _______ Russians.8. They _________ from different places. 9. I _____ interested in computers.10. Martin Lewis _____ a teacher. He is an economist

Am/is/are - формы глагола BE (быть) во временах Present
когда разговариваешь о для себя - am ( I am friendly) 
когда разговариваешь мы, они, вы, ты - are ( We are friendly, they are friendly, you are friendly)
когда разговариваешь он, она, оно - is (She is friendly, he is friendly, it is friendly)
N't или not ставится в отрицательной форме
(She isn't friendly, he isn't friendly, it isn't friendly)