. THE HOUSE ___________ SIX DECADES AGO.A). WAS BUILDING B). WILL BE...

4) - KIEM TRA 15'''' TA 12 BAI 4 5
KIEM TRA 15'''' TA 12 BAI 4 5

4). The house ___________ six decades ago.

A). was building

B). will be built

C). was to be built

D). was built