شرکت در آزمون آنلاین
زبان انگلیسی 1
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زبان انگلیسی 1
| آزمون شماره 9255
I don’t know what happened. Suddenly the .......... of her voice changed into a low one.
A: “Do the students walk to the bus stop every morning?”
B: “No, the school bus… everyone at their house door.”
Which of the following is NOT defined in the passage?