شرکت در آزمون آنلاین
انگلیسی 3
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انگلیسی 3
| آزمون شماره 10956
In new cars , engines sound ............................... by putting some sound resistence materials.
Two heads are better than one. This proverb means that when two people cooperate with each other, they … better ideas.
Most of the military’s efforts have focused on defenses against biological weapons, not viruses that
arise naturally or are ......... by the community spread.
