3-C. M: I made 45 copies. Is that enough?M: I made 45 copies. Is that enough?
M:私は、45個のコピーを作った。それは十分ですか?
4-C. Susan used all her savings to pay for a demo tape, copies of which she later sent to several music companies.Susan used all her savings to pay for a demo tape, copies of which she later sent to several music companies.