شرکت در آزمون آنلاین
زبان انگلیسی 1
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زبان انگلیسی 1
| آزمون شماره 14251
The firefighters tried to … the fire as soon as possible, but unfortunately the whole house was destroyed.
Students from high schools and universities came to form a ... chain around the nuclear plant to support nuclear activities.
The underlined word “that” refers to … .
