Question : Select the most appropriate option to fill in the blank.
Slightly_______ bitter oranges to remove the red colour which covers their skins.
Option 1: grate
Option 2: great
Option 3: grace
Option 4: grade
Correct Answer: grate
Solution : The correct choice to fill in the blank is the first option.
Explanation : The verb grate is suitable here because it means to rub something against a rough or serrated surface, typically to produce small particles. In this case, grating is a method used to remove the red colour from the oranges' skins.
Therefore, the complete sentence is: Slightly grate bitter oranges to remove the red colour which covers their skins.