读问句,选答句
⑴How many books do you have?{#blank#}1{#/blank#} A. It's twenty.
⑵How many birds do you see?{#blank#}2{#/blank#} B. Wow, so beautiful!
⑶What's 10 and 8?{#blank#}3{#/blank#} C. I have 3 books.
⑷Look at the kites.{#blank#}4{#/blank#} D. It's eighteen.
⑸What's 4 times 5?{#blank#}5{#/blank#} E. I see eleven birds.