A. NUCLEAR POWER B. GAS C. COAL D. OILQUESTION III. CHOOSE THE BEST...

6. - KIEM TRA ANH 9 HKII
KIEM TRA ANH 9 HKII
6.

A. nuclear power B. gas C. coal D. oil

QUESTION III.

Choose the best answer (A, B, C or D) for the sentences: