شرکت در آزمون آنلاین
زبان انگلیسی 2
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درس اول
| آزمون شماره 6402
The scientists estimate that nearly two-thirds of the ………. has become drier over the past 60 years.
When he began teaching, he had .......... no knowledge of approaches to teaching. Experience made him a very famous and knowledgeable teacher.
The doctor advised me to ......... my health by regular daily exercise.