1 " Khen " is a ________ instrucment of the Central Highland
A traditionally
B tradition
C traditional
D trade
2. Vietnam is a multi - cultural country with over 50 ___________ groups
A multi - cultural
B rich
C. ethnic
D. major
3 . Using computers too much may have harmful effects __________ your minds and
bodies
A. on
B. to
C. with
D. onto
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Sinh Học lớp 12
