SHE CANNOT BE AT WORK. NO ONE IN THE OFFICE ...HER SINCE THE LUNC...

11/ - HE THONG DE KIEM TRA TRAC NGHIEM 15''''ANH 10 CB 2
HE THONG DE KIEM TRA TRAC NGHIEM 15''''ANH 10 CB 2

11/ She cannot be at work. No one in the office ...her since the lunch time.

a

has seen

b

would see

c

saw

d

had seen