THE FACTORY…….MY FATHER WORKS IN IS VERY BIG.A

9. - DE DAP AN TIENG ANH LOP 9
Lớp 9 Tiếng Anh DE DAP AN TIENG ANH LOP 9

9. The factory

……

.my father works in is very big.

A: which ;

B: where ;

C: how ;

D: when.