شرکت در آزمون آنلاین
زبان انگلیسی 2
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درس سوم
| آزمون شماره 656
A/An ............................... occurs when the bond or the stores are selling at a price less than it's real value.
He hasn't decided yet whether ............................ the English course or the Spanish course.
One of my friends believes that it is easy for him ............................. ten words every night .