بخش اولش
۶. a) were driving
۷. c) left
۸. d) saying / arrived
۹. b) talking
۱۰. a) نمیدونم
۱۱. a) was you doing
۱۲. c) watched
۱۳. b) played
بخش دومش
(۳۱) will bring
(۳۲) m going to buy
(۳۳) will
(۳۴) went
(۳۵) were playing
(۳۶) will be
بخش سومش
۱. was studying
۲. was writing
۳. came
۴. was working
۵. was playing / stopped
۶. called
۷. called
۸. came
۹. was surfing
بخش چهارمش
۱. The flowers were growing fast.
۲. He learned by reading books in the library himself.
۳. I was buying some souvenirs for my old friend when I saw him.
۴. Was his mother studying English book when Reza called him?
۵. When I was doing an experiment, the phone rang.
۶. We were working on a difficult problem.