13. With (A) clear evidence, his company couldn't (B) deny (C) having dump a large
quantity of toxins (D) into the sea.
14. Humans now (A) have to suffer the (B) effects of global warming (C) due to (D)
having treat the environment irresponsibly.
15. (A) Having decided to use public transport (B) instead private transport, we (C) were
determined to (D) reduce carbon footprints.
16. (A) Having cycled to work (B) every day, I become (C) more responsibly for the (D)
environmental issues.
Loga
Sinh Học lớp 12
