1. The nurse has taken care of my grandmother ______ nearly a year.

2. My brothers and I wolfed down our dinner last night as we ______ so hungry.

3. Mrs Kim ______ at home when the salesman knocked on her door.

4. "I ______ with this math problem right now. Could you help me with it?" I begged my friend.

5. Yesterday, my friends ______ me the birthday song before I cut the cake.

6. While I ______ at the painting, my wallet was stolen.

7. "I picked up my books from ______ shelf over there," Elaine grinned.

8. I must buy a new notebook ______ I have lost the one I had.

9. The wolf is at the top of the food chain. It has ______ threats in the wild.

10. There isn't ______ water in my water bottle. I drank it all during recess.