شرکت در آزمون آنلاین
زبان انگلیسی 2
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درس اول
| آزمون شماره 6821
Specialists predict that in near future we are witness of having as many technology .......... camps as the drug users.
Gasoline has no ………. freezing point; it freezes at any temperature between -180 and -240 degrees Fahrenheit.