این کار باعث حذف صفحه ی "Protein Requirements For Exercise" می شود. لطفا مطمئن باشید.
1 and a pair of are normal questions, whereas three and four sound a bit unusual as a result of the question would not seem to be about specific kinds of exercise. Leave them alone
این کار باعث حذف صفحه ی "Protein Requirements For Exercise" می شود. لطفا مطمئن باشید.