11. My father will spend an amount of time____our walls before Tet. (REPAINT) 12. There are many wonderful streams and waterfalls in____areas. (MOUNTAIN) 13. When they went camping in the forest, they brought_____bags to avoid dangerous insects. (SLEEP) 14. I had a(n)______trip to Tra Co Beach last week. I sunbathed on the beach and swam in the sea all day. (FORGET) 15. Hue is one of the tourist______in Viet Nam. I'd like to visit the Perfume River and many ancient tombs there. (ATTRACT) 16. ____, you can find various plants and animals in Phu Quoc Island. (INTEREST) 17. You must be _________ when you cross the busy streets. (CARE) 18. This is the ______ pagoda in our country. (OLD). 19. Do you know what the ______ of the river ? . (DEEP) 20.This tree has a lot of green_______ (LEAF)