Read the sentences and choose the correct verb forms

1. I [have|am having] a dog. It lives with us.
2. Mary [brushes|is brushing] her teeth every day.
3. I [believe|am believing] Mr Puff will find a new job as soon as possible.
4. Doctors [know|are knowing] how to treat people.
5. Can you hear it? I think a nightingale* [sing|is singing].
6. Felix [prefers|is preferring] vanilla ice cream.
7. [Does|Is] she [like|liking] red roses? I [want|am wanting] to give her a bouquet.
8. I [work|am working] on a new project this week.

* A nightingale — a small bird that sings at night.