Q3:3, Put the right word in each blank. The sentences are from the text.:1.together 2.luck 3. travel 4. believe 5.dolphins 6.lonely7group 8.feelings.9.save10. show11. sounds 12. scientists
            (1). Dolphins _________ in a __________.
(2). Sometimes they __________ somebody’s life. 
(3). Can __________ talk? 
(4). They are sad and __________.
(5). They __________ their __________ with sounds. 
(6). __________ make tapes of their sounds and study them. 
(7). Many people __________ this. 
(8). They don’t study, but they travel __________.
(9). Maybe they can’t talk with words, but they talk with ____
(10). They say dolphins bring good __________.