A. ELEMENTS B.ATOMIC C. A&B ARE CORRECT D. A&B ARE INCORRE...

17. - KIEM TRA 1 TIET SO 1
KIEM TRA 1 TIET SO 1

17. A. elements

B.atomic

C. A&B are correct

D. A&B are incorrect

18 A.sold

B.discovered

C. bought

D.awarded

III. Choose the best word :