شرکت در آزمون آنلاین
زبان انگلیسی 1
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زبان انگلیسی 1
| آزمون شماره 13949
A/An ………. is a building especially designed for scientific study of such things as planets and stars.
Not to lose way, you .......................... be careful about the signs ........... the road.
Over the last decade or so, many cinemas have been switching to digital projectors as a way to cut costs and improve picture … at the same time.
The underlined word "its" in line 2 refers to … .
