The verb "To be"

Choose the right answer. I don't go for a walk after school. I ... busy with my homework.

Choose the right answer. My favourite holiday ... Christmas.

Choose the right answer. How old ... your cats?

Choose the right answer. My friend lives far from his school and sometimes he ... late for school.

Choose the right answer. In England breakfast time ... between seven and nine.

Choose the right answer. What animals ... dangerous?

Choose the right answer. My mother's cakes ... very tasty.

Choose the right answer. This exercise ... very difficult for me.

Choose the right answer. I think that monkeys ... funny animals.

Choose the right answer. It's seven o'clock. Why .... you in bed? Get up!