شرکت در آزمون آنلاین
انگلیسی 3
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درس سوم
| آزمون شماره 6804
1
The company is also developing two new ……… which it hopes will be strong enough to fill cavities in the back teeth.
2
In the past, people believed that all the planets in our solar system ....... around the Earth.
3
The International Monetary Fund is a key organization that ....... with different governments to help keep global economic stability.
4
Only 27% of the paper we ....... is recycled.
5
In developed countries, you can find both excellent rules and regulations and citizens who willingly ............. them.