给问句选择合适的答语
⑴What time is it?{#blank#}1{#/blank#} A.
Eleven.
⑵How many trees?{#blank#}2{#/blank#} B. Is
nine o'clock.
⑶What colour is it?{#blank#}3{#/blank#} C. Yes, l am.
⑷Are you Helen?{#blank#}4{#/blank#} D.
No,it isn't.
⑸Is this your book?{#blank#}5{#/blank#} E. It's
black.