1- كلمه ي affirmative دقيقا معادل positive هست يا كاربردشون فرق داره؟
2-
the activities of groups differ with ... to age
opinio/respect
3-
the ages of students....from 15 to 50
differ/range
4-
this medicine is taken ...
actually/orallyميدونم orally نميشه ولي نميدونم چرا actually ميشه
5-
-people ...knowledge beliefs and wishes rhrough the language
transport/exchange
6-
employees said they would .... less working hours
prepare/prefer
هركدومو بلدين يه توضيحمختصر هم بدين لطفا @ij16