Sample item
Drag words from the box into the correct blanks.
Researchers _____ the samples for six weeks before drawing any _____ about the compound's stability.
- monitored
- conclusions
- watched
- decisions
- results
monitored / conclusions
'Monitored' fits the scientific register where 'watched' does not. 'Draw conclusions' is a fixed collocation; 'draw decisions' and 'draw results' are not. Two words are left unused by design.