Choose the right variant of the main verb: Active or Passive Voice.
1) The man (ask) what language I was speaking.
a) was asked                       b) asked
2) I (ask) many questions by my friends after the lesson.
a) will ask                       b) will be asked
3)They (tell) to bring back books every day.
a) are being told             b) are told
4) I think he (find) the address already.
a) has found                      b) has been found
5)This house (build) in the 17th century.
a)was built                      b)is built
6)My mother (do) a lot of work every day.
a)is doing                       b)does