In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Speech is a great (1)_____, but it can be a great curse, for, while it helps us to make our desire and intentions known to our fellows, it can also, if we use it carelessly, make our attitude completely misunderstood. A slip of the (2)______, the use of an unusual or an ambiguous word, and so on, may create an enemy where we had hoped to win a friend. Again, different classes of people use different (3)_______, and the ordinary speech of an educated man may strike an uneducated listener as showing pride. Unwittingly, we may use a word which bears a different meaning for our listener from what it does to men of our own class. Thus, speech is not a gift to use lightly without thought, but one which demands (4)________ handling; only a fool will express himself alike to all kinds and conditions of men. Thus, speech is a valuable gift but if not used in a proper way, may cause misunderstanding. Since different classes use different words, we must use speech carefully to avoid being (5)______.