题目内容
21、Most air pollution is caused by the burning of _______like coal, gas and oil.
A．fuels B．articles C．goods D．products
试题答案
21、A
Most air pollution is caused by the burning of _________ like coal, gas and oil.
A. fuels B. articles
C. goods D. products
查看习题详情和答案>>Most air pollution is caused by the burning of ____ like coal, gas and oil.
A. fuels B. articles C. goods D. products
查看习题详情和答案>>Most air pollution is caused by the burning of _________ like coal, gas and oil.
A. fuels B. articles
C. goods D. products
查看习题详情和答案>>Most air pollution is caused by the burning of ____ like coal, gas and oil.
A. fuels B. articles C. goods D. products
查看习题详情和答案>>Most air pollution is caused by the burning of ____ like coal, gas and oil.
A. fuels B. articles C. goods D. products
查看习题详情和答案>>Most air pollution is caused by the burning of ____ like coal, gas and oil.
A. fuels B. articles C. goods D. products
查看习题详情和答案>>
Most air pollution is caused by the burning of _________ like coal, gas and oil.
- A.fuels
- B.articles
- C.goods
- D.products
B. articles
C. goods
D. products