شرکت در آزمون آنلاین
زبان انگلیسی 1
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زبان انگلیسی 1
| آزمون شماره 9880
A/An ………. is a building especially designed for scientific study of such things as planets and stars.
The students who didn’t do well at school often say that they were always … in some subjects because they were … taught.
