Question

初中级别的英语语法填空题，可是看了不会， 有好心人帮忙解答一下吗？非常感谢

重新改写句子
C1. Too bad the eight-nation Council Ministers didn’t come across the study earlier. They haven’t had enough time to take measures.
If ___________________________________________________________________
C2. People suffer from harsh economic conditions in northern Russia. That’s why their authorities refuse to sing an agreement aiming at cutting emissions of organic pollutants.
If ____________________________________________________________________
C3. The only way to protect arctic regions from pollution is to classify them as Unesco world heritage sites.
If Unesco ____________________________________________
Arctic region _________________ provided_______________________________
Arctic regions ________________ unless ________________________________

Answer 1

只给你改了C部分，其他的照样子自己弄吧
C1.
if the eight-nation council ministers had come across the study ealier, they would have had enough time to take measures.(用虚拟语气即可）

C2.
If people didn't suffer from harsh economic conditions in northern russia, their authorites would not refuse to sign an agreement aiming at cutting emissions of organic pollutants(用虚拟语气即可）

C3.
If Unesco should classify arctic regions as world heritage sites, they would be protected from pollution.(虚拟语气）
Actic regions will be protected from pollution, provided they are classified as world heritage sites.
Actic regions will not be protected from pollution, unless they are classified as world heritage sites.