给下列句子选择正确的答语
⑴Are you Mr Dog?{#blank#}1{#/blank#} A. My name is Lulu.
⑵What's your name?{#blank#}2{#/blank#} B. I'm nine.
⑶How old are you?{#blank#}3{#/blank#} C. Nice to meet you, too!
⑷Nice to meet you!{#blank#}4{#/blank#} D. Yes, I am.
⑸Is it your letter?{#blank#}5{#/blank#} E. Yes, it is.
