Fill in the gap : Where discipline is concerned, I must put my foot ----.

Fill in the gap : Learning is a -----pleasure, ----and instructive, one of the real joys of life.

Fill in the gap : The point of this ---is to explore the environment in which she was----.

Fill in the gap : Your grandfather ---the finest element of the aristocratic ----

Fill in the gap : With a natural ----languages, Rakid ---German much more rapidly than did his less linguistic...

Fill in the gap : The director's ----from fiscal-----has led the company to bankruptcy.

Choose the correct option to replace the quotation part of each sentence. 'Plants are more efficient at acquir...