شرکت در آزمون آنلاین
زبان انگلیسی 1
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درس2
| آزمون شماره 1391
In a general description, I would have to say that white blood cells help ............... the body against infection.
It is important to have a balanced and a/an ......................... diet.
Don’t spend all your money. Have some savings . ..................... the oceans are filled
