درس 1: Sense of Appreciation
زبان انگلیسی (3)
دوازدهم
متوسطه دوم 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