14. Public transport/ preserve/ environment/ better than/ private/ vehicle.
A. Public transportation preserve the environment better than private vehicles.
B. Public transport uses to preserve the environment better than private vehicles.
C. Public transport is preserved the environment better than private vehicle.
D. Public transport preserves the environment better than private vehicles.
A. Public transport preserve the environment better than private vehicles.
vì public transport khi bình thường sẽ là số nhiều nên ta không cần chia preserve thành preserves, => D sai, B,C sai vì không cần chia các cấu trúc đó.