درس 1: Sense of Appreciation
زبان انگلیسی (3)
دوازدهم
دوره دوم متوسطه- نظری
علوم ریاضی
درسنامه آموزشی این مبحث
A. Are they going to develop the new product in their factory next month?
B. No, actually it ----------since last week.
1 )
was developing
2 )
is being developed
3 )
were developed
has been developed