شرکت در آزمون آنلاین
انگلیسی 3
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انگلیسی 3
| آزمون شماره 11626
The company is also developing two new ……… which it hopes will be strong enough to fill cavities in the back teeth.
The teacher did not accept Ali’s … for being late. That’s why he is very angry.
After years of research, scientists have … the virus that is responsible for the disease.
To some people, the study of history is so valuable and is to be ……. As essential to a full education.
