Multiple choice general knowledge London brige is Falling Down... Build it up with _____ & _____ Fill up the blanks brick , cement wood , clay wood , cement brick , clay Reveal answer Fill a bubble to check yourself B Correct answer Explanation The traditional nursery rhyme 'London Bridge is Falling Down' lists various materials to rebuild the bridge, including 'Build it up with wood and clay' as one of the verses. The other combinations are not part of the traditional rhyme.