选出正确的应答句。 A. It is a cake.
B. Apple juice, please.
C. They are purple.
D. No. It's hard.
E. Yes, it is.
① {#blank#}1{#/blank#} Touch this. Is it soft?
② {#blank#}2{#/blank#} Can I help you?
③ {#blank#}3{#/blank#} What is it?
④ {#blank#}4{#/blank#} What colour are they?
⑤{#blank#}5{#/blank#} Is it a pencil case?
