The verb "to be"

Choose the right answer. This box ... big.

Choose the right answer. She ... very clever.

Choose the right answer. The book ... interesting.

Choose the right answer. The pen ... blue.

Choose the right answer. I ... his aunt.

Choose the right answer. They ... my brothers.

Choose the right answer. My shoes ... red.

Choose the right answer. I ... in Spain now.

Choose the right answer. These apples ... very tasty.

Choose the right answer. They ... from China.