()1.What about a cake?           A. It's nice.              

()2.Hello, Liu Tao.                 B. Nice to meet you, too.

()3.Nice to meet you.             C. Thank you.           

()4.The book is for you, Helen.    D. Hello, Mike.          

()5.Look at my cap.               E. Yes, please.           

—It's a robot. It's ________ Bobby.

—It's___________.

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