شرکت در آزمون آنلاین
زبان انگلیسی 1
-
زبان انگلیسی 1
| آزمون شماره 9739
One of the most important problems we have is the … of the natural homes of animals in forests, lakes and plains. We should do voluntary work to stop it.
We are now able to predict the ... patterns of the climate change and make better decisions about it.