POLLUTIONIII. C 2. E 3. A 4. B 5. D A. PHONETICS

1. - DAP AN BAI TAP THI DIEM 8 CUA TAC GIA LUU HOANG TRI
DAP AN BAI TAP THI DIEM 8 CUA TAC GIA LUU HOANG TRI

1. English and Welsh are the two official languages of Wales