USING FUEL WOOD...A. CAUSES POLLUTION B. TAKES A LOT OF MONEYC. SA...

31. - 6 MÃ ĐỀ AV HK 2 12CB
6 MÃ ĐỀ AV HK 2 12CB

31.

Using fuel wood...

A.

causes pollution

B.

takes a lot of money

C.

saves a lot of time

D.

reduces heavy smoke