所给词适当形式填空 develop produce die spit polluteCan you see the sign"No___"overthere?Air____is the most serious problem at the momentAs we know,China is still a ____country in the worldJane felt frightened as soon as she saw the____snakeDo you know America is one of the world's largest____of oil?
问题描述：
所给词适当形式填空 develop produce die spit pollute
Can you see the sign"No___"overthere?
Air____is the most serious problem at the moment
As we know,China is still a ____country in the world
Jane felt frightened as soon as she saw the____snake
Do you know America is one of the world's largest____of oil?
答
spitting
pollution
developing
dying
producers
答
Spitting.pollution...developing...dying...producers