In order to evaluate the effect that the computer has ______ people’s life, they have handed out questionnaires to more than one thousand young citizens, all of ______are picked out at random.
A. on; whom B. for; them C. in; whom D. on; them
In order to evaluate the effect that the computer has ______ people’s life, they have handed out questionnaires to more than one thousand young citizens, all of ______are picked out at random.
A. on; whom B. for; them C. in; whom D. on; them
A