SAVING ENERGY PRACTICE TEST 1I. CHOOSE THE WORD OR PHRASE THAT...

37. - 200 CAU TRAC NGHIEM KQ ANH 9 -BAI 6-7
200 CAU TRAC NGHIEM KQ ANH 9 -BAI 6-7

37. Lighting accounts for 10 percent to 15 percent of the electric bill.

a b c d