شرکت در آزمون آنلاین
زبان انگلیسی 2
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زبان انگلیسی 2
| آزمون شماره 7025
Some people believe that it's ………. necessary to drink at least a liter of water every day.
During the past twenty years, new technologies ... our lives so much that I can’t even imagine how life would be without them.
How long …?
