Verbal Ability - Spellings - Discussion

In each sentence below, four words which are lettered (A), (B), (C) and (D) have been printed in bold type, one which may be either inappropriate in the context of the sentence or wrongly spelt.The letter of that word is answer.If all the four words are appropriate and also correctly spelt, mark 'E', i.e., 'All Correct' as the answer.