MOST ENVIRONMENTAL PROBLEMS COME FROM ... A. FORESTS B. POPULATION...

27. - DE DAP AN HSG AV9 GIALAI 2010 2011
Lớp 9 Tiếng Anh DE DAP AN HSG AV9 GIALAI 2010 2011

27. Most environmental problems come from ...

A. forests

B. population growth C. too much rain

D. poor distribution