THOUSANDS OF STEEL _____ WERE USED AS THE FRAMEWORK OF THE NEW OFFI...
3. Thousands of steel _____ were used as the framework of the new office block.
A. beams
B. girders
C. stakes
D. piles
3. Thousands of steel _____ were used as the framework of the new office block.
A. beams
B. girders
C. stakes
D. piles