UNIT 1I. CHOOSE THE WORD WHOSE UNDERLINED PART IS PRONOUNCED DIFFERENT...

25. - E 11 5 BT TRAC NGHIEM 8 UNITS
E 11 5 BT TRAC NGHIEM 8 UNITS

25. We think that a/an ______ is a person one simply knows.

A. friend B. acquaintance C. relative D. colleague