... 20 . Skiing is a _______ sport. (season) 21 . The shop assistant gave an _______ smile to customers. (invite) 22 . Information _______ has made a great change to human life. (technologist) 23 . ... ten minutes and try something on. On the third day, he stays for fifteen minutes, asks the salesclerk a question, but does not buy anything. Soon he will learn that nothing bad will happen to ... (26 ) _______ earth, they have made use of various forms (27 ) _______ communication. Generally, this expression of thoughts and feelings has been in the form of oral speech. When there is (28 )...