I MUST HAVE ______ EXTRA MONEY FOR ______ FRONT DOOR.A. A / THE B....

15. - 20 DE TRAC NGHIEM TIENG ANH
20 DE TRAC NGHIEM TIENG ANH
15. I must have ______ extra money for ______ front door.a. a / the b. a / an c. an / the d. an / no articleIII. GRAMMAR AND STRUCTURE : Identify the one underlined word or phrase thatmust be changed in order to make the sentence correct.