1. She always worried about the ________ of her family. (safe)
2. You must cover__________ socket so that children can’t put anything into them. (electricity)
3. The tiger is a ____________animal. They kill people every year. (danger)
4. The river is very _________for swimmers. (danger)
5. Hard work always brings___________(successful)
6. Those clothes are __________for cold (suit)
7. She is a __________girl. Her __________ is very nice-looking. (beauty)
8. Nga is very _________, kind and generous. (social)
9. Michael Faraday was a best __________in the 1880s. His__________is the field of electricity. (invent)
10. Thomas Watson was Bell’s___________, wasn’t he? (assist)
11. OK. I’ll____________the appointment for you soon. (arrangement)
12. There was an ___________of painting at the Art Gallery. (exhibit)
13. Ho Chi Minh city is an important____________center. (commerce)
14. You must put all medicines in__________cupboards. (lock)
15. What a ________cat! I want to buy it. (love)
16. The ____________of atom bombis very terrible. (destroy)
17. Each of my friends has a _____________character. (differ)
18. Some __________of the games are young as 14 or 15, (invent)
19. People in my country are very warm and _________ . (friend)
20. She is a _________writer. (humor)