شرکت در آزمون آنلاین
زبان انگلیسی 1
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زبان انگلیسی 1
| آزمون شماره 8885
I wasn’t paying attention ……… the letter, so I made several mistakes.
What does the underlined word “useful” mean?
The underlined pronoun “This” refers to “… .”
The hotel is hiring more people to make ... easier and faster.
HIV is … many viruses. In fact, it is one of … viruses in the world.