XI. Complete the passage with the suitable words.
Since Da Lat was found by Doctor Alexander Yersin in 1897, it has (13).......................one of Vietnam’s most famous vacation destinations. Da Lat is now the holiday resort for Vietnamese and foreign tourists. (14).......................on Langbian highlands, the city is 1,500 meters above sea level and is 305 kms from Ho Chi Minh City. It is very famous for its waterfalls, lakes, and especially flower gardens. Many hotels have been built in Da Lat for the past few years, but it is still difficult to find (15)...................... at busy times
13. *
A. became
B. become
C. be
D. place
14. *
A. located
B. place
C. be
D. set
Tùy chọn 4
15. *
A. accommodation
B. placed
C. where
D. locate