Jawaban:

1. Self Introduction is to explain who you are, what you do, and what other people know you

2. formal self introductions language doesn't use colloquialisms, contractions or first person pronouns such as 'I' or 'We' , Informal self introductions language is more casual and spontaneous

3. compliments means to praise, congratulate, or say something admiring to someone

4. "you are so pretty" , "you are very smart" , "what a nice girl you are"

5. "i'm really grateful to you" , " I'm very much obliged to you"

6. it's spontanous and honest

7. Ricky : "hey Tina, look, i found a money"

   Tina   : "oh, where did you find it"

   Ricky : "in my shoes"

   Tina   : "seriously.. i don't believe you"

hope this can help