UNIT 8I. PICK OUT THE WORD WHICH HAS THE UNDERLINED PART PRONOUNCED DI...

5. - E 11 5 BT TRAC NGHIEM 8 UNITS
E 11 5 BT TRAC NGHIEM 8 UNITS
5. What …………you ………..at 7 o’clock last night?A. did… do B. are… doing C. were… doing D. do …do