Điền tiếp vào chỗ trống

III. Word form :
15. "Ao dai" is a
(tradition)
16. The police are interested in the sudden
17. When the
(electric)
18. There are some new
19. I am
(interest)
dress of Vietnam.
20.
(fortunate)
failed, he struck the match to find the candles.
in the factory.
of the valuable paintings. (appear)
in English.
I lost my keys on the way home.
(equip)