درس 1: Sense of Appreciation
زبان انگلیسی (3)
دوازدهم
دوره دوم متوسطه- نظری
ادبیات و علوم انسانی
درسنامه آموزشی این مبحث
The question is so complicated and difficult that nobody ..................... it yet.
1 )
hasn’t answered
2 )
haven’t been answered
3 )
has been answered
has answered