AT 9 O’CLOCK YESTERDAY WE... ON THE BEACH.A. ARE LYING B. HAVE LAI...

6. - BAI KIEM TRA HOC KY II TIENGANH8
Tiếng Anh BAI KIEM TRA HOC KY II TIENGANH8

6. At 9 o’clock yesterday we... on the beach.

a. are lying b. have lain c. lay d. were lying