The fire destroyed ________ was in the building.

A. all

B. what

C. that

D. which

A. all

B. what

C. that

D. which

The fire destroyed _______ was in the building.

A. all　　　　　　 B. all that　　　 C. that　　　　 D. which

The fire destroyed ______ was in the building.

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