The factory _____ we once worked is not far from here .A to which B which C where D on which

The factory _____ we once worked is not far from here .A to which B which C where D on which
The factory _____ we once worked is not far from here .
A to which B which C where D on which

The factory _____ we once worked is not far from here .A to which B which C where D on which
C
where= in which= which we once worked in

C定语从句

C

C
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