Who’s that? —My aunt. ________ is a nurse in a hospital.

Where was your father when I called you, Tony?— He ____________ his car.

How about the pollution in the countryside?－Luckily, it’s not as serious as _______ in the big cities.

I my English book.Look! Is that your English book in the lost and found box.

Mary ________ her homework last night because she was ill.