—How many rulers do you have?

—I have {#blank#}1{#/blank#} (five; fifteen) .

({#blank#}1{#/blank#})1.What about a cake?           A. It's nice.              

({#blank#}2{#/blank#})2.Hello, Liu Tao.                 B. Nice to meet you, too.

({#blank#}3{#/blank#})3.Nice to meet you.             C. Thank you.           

({#blank#}4{#/blank#})4.The book is for you, Helen.    D. Hello, Mike.          

({#blank#}5{#/blank#})5.Look at my cap.               E. Yes, please.