6 toothache

7. fantastic

8. activities

9. natural

10. decoration

11. repainting

12. mountainous

13. sleeping

14. unforgetable

15. attraction

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6 We shouldn't eat a lot of sweets because we can a toothache far 

7 it's so fantastic to have a spring vacation in sapa 

8 there are lots of interesting activities when you visit hoi an ancient town 

9 they want their local environment to maintain nature without people's bad action 

10 tet is a busy time for house decoration people usually clean the house and buy

flowers kumquat trees or red envelopes

11 my father will spend an amount of time repainting our walls before tet

12 there are many wonderful steams and waterfalls in mountainous areas 

13 when they went camping in the forest they brought sleeping bags to avoid

dangerous insects 

14 I had an unforgettable  trip to tra co beach last week l sunbathed on the beach

and swam in

15 hue is one of the tourist attractions in Viet Nam I'd like to visit the perfume river

and many ancient tombs there

the sea all day