15. Koalas are well-known as the symbol __________ Australia.
A. of B. in C. on D. for
16. What he has said about me is __________ wrong.
A. absolute B. absolutely C. official D. officially
17. What is _________ official language of your country?
A. a B. an C. the D. x
18. Canada is made up _________ 10 provinces and 6 territories
A. on B. of C. by D. with
19. Since 1965, the maple tree with red leaves _________ the most well-known Canadian symbol.
A. has become B. become C. became D. becoming
20. Mount Rushmore is located _________ the USA.
A. in B. to C. of D. wit
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Sinh Học lớp 12
