Imagine you are writing your term paper. You’re just received a very useful reference book as a gift from Professor Smith. You meet him and express your thanks. Read aloud the following dialogue with your partner by filling in the missing words.You: Good morning, Prof. Smith. 1._________for the book you sent me. It is 2._________ to myterm paper.Smith: 3._________it is helpful to you.You: Yes, it’s indeed a very good reference book. I don’t know how I shall express 4._________.Smith: It’s 5.___________.You: And I’m 6.____________for all the help and encouragement you’ve given me.Smith: I’m happy to be 7.___________ . Please don’t hesitate to let me know whenever you need help.You: I will, Prof. Smith. You are so 8.__________ .1.____________2.____________3.____________4.____________5.____________6.____________7.____________8.____________