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

6. - DE KIEM TRA LOP 8 HK II BAI 2
DE KIEM TRA LOP 8 HK II BAI 2

6. At 9 o’clock yesterday, we

………

on the beach.

A. are lying B. have lain C. lay D. were lying