THEY LOST THE KEY YESTERDAY BUT IT...A WAS FOUND ALREADY B FOUND...

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

1/ They lost the key yesterday but it...

a

was found already

b

found already

c

has already been found

d

has already found