–There is thick haze(雾霾)around many cities in China recently. What do you think of it ? ---I think __________ cars we drive, the less pollution the city has.
---What’re you_________?---My son’s health problem___________ me a lot.
The English word “survive” _______ “stay alive”.
Wild animals have __________ living areas. Instead, the farms are getting _________.
The models of the main sights in the World Park are much smaller than _______ back home.
When the wonderful news _______, we all got very excited.