1,you can only really master a language if you use it regularly
=> only by
2,mike did not register for the course untill hí friend offered to pay the fee for him
=> it was not
3 ,
1,you can only really master a language if you use it regularly
=> only by
2,mike did not register for the course untill hí friend offered to pay the fee for him
=> it was not
3 ,
1.Only by using a language regularly, can you really master it
2. It was not until Mike’s friend offered to pay the fee for him that he registered for the course
1. Only by use it regularly can you really master a language
2. It was not until Mike’s friend offered to pay the fee for him that he registered for the course