XII. Complete the following sentences with an appropriate form of the word in brackets 1. There are four _____in my house. bookshelf 2. The photocopy is between the _____ and the drugstore. bake 3. Is your brother an_____? act 4. Mai's sister is a ______ sing 5. We must be ____ when we cross the road. care 6. This tree has a lot of green _____ leaf 7. Is your father a ______ ? business 8. I’m Vietnamese. What’s your ______ ? nation 9. Air _____is a big problem in many cities in the world. pollute 10. Yoko is from Japan. She is _____ Japan