根据首字母完成填空; it is our duty to reduce the pollution in order t
it is our duty to try to cut back on production and reduce t
The t—— in the room is too high.It‘s too hot to me 根据首字母填空 ·
it is our duty to distribute to the society翻译
It is our duty to protect the environment
it is our duty to protect the environment.
首字母填空~求~Our apartment is not in the center of the city.It is
it is our duty to do
根据首字母填空 It is d____ to work out the problem,because it is to
根据首字母填空:Pollution is a serious problem in major cities t___
英语翻译it is in the nature of a sample order.it doesn't pay to
Air pollution is one of the b____problems in our life 按首字母应该
英语翻译It is t___ the pollution is worse and worse.据首字母填空并翻译