MAI STUDIES EVERY SUBJECT VERY HARD ; _____, SHE WON HER SCHOOL’S...

61. - TRAC NGHIEM ANH 9 HKII 2
TRAC NGHIEM ANH 9 HKII 2

61. Mai studies every subject very hard ; _____, she won her school’s Best Student Prize this year .

A. Therefore

B. However

C. Because

D. So