درس 1: Sense of Appreciation
زبان انگلیسی (3)
دوازدهم
دوره دوم متوسطه- نظری
علوم ریاضی
درسنامه آموزشی این مبحث
He was a programmer and ………..
1 )
an operating system needed for his computer
needed an operating system for his computer
3 )
for his computer an operating system needed
4 )
his computer an operating system needed