XI)
1.--Three hundred students took part in the swimming competition last year
2.--The children find nature programmes fascinated when...
3.--Duong suggests that we should go to BN to see the Lim Festival
4.--He didn't pass the exam despite studying very hard
5.--All the world's language ought to be preserved by governments
6.--The tennis players haven't finished the match
7.--This is the third time I have been to the Huong Pagoda Festival
8.--The Vu Lan Festival takes place on the 15th day of the seventh lunar month
9.--On our way home, we had an accident
IX)
1.D
2.C
3.A
4.D
5.C
6.B
7.B
8.A