Direction: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
Body language ______ (1) ______ ideas or thoughts by certain actions, either intentionally or unintentionally. A ______ (2) ______ can be a way of flirting or indicating that the party is only joking. A ______ (3) ______ signifies approval, while ______ (4) ______ of the head indicates a negative reaction.
Other forms of non ______ (5) ______ language can be found in Braille (a system of raised dots read with the fingertips), signal flags, Morse code, and smoke signals.