13. Bill and Ann weren't invited to the party.
14. The traditional dress were worn frequently by men and women.
15. Jeans are sold all over the world.
16. Her valuable jewelry were stolen last night.
17. The letters were read to his friends yesterday.
18. Many beautiful places in Ha Noi were visited by Lan and her pen pal.
19. Our clothes were washed with a new detergent.
20. Jean cloth was made from cotton in the 18th century.
21. Uniform must be worn to school by the children
