Give the correct form of the word given to complete the sentences

Give the correct form of the word given to complete the sentences.
1. There are many wonderful streams and waterfalls in_______________________areas. (MOUNTAIN)
2. You must be ______________________ when you cross the busy streets. (CARE)
3. There are lots of interesting ________________when you visit Hoi An Ancient Town. (ACT)
4. During Tet, we go to the pagoda to pray for good health,______________ and wealth. (HAPPY)