选择正确的答语。
⑴What are you doing? {#blank#}1{#/blank#} A. They
are reading books.
⑵What are they doing? {#blank#}2{#/blank#} B. I'm
cooking.
⑶What is he doing? {#blank#}3{#/blank#} C.
Lily is in the bedroom.
⑷Where is Lily? {#blank#}4{#/blank#} D. The baby is sleeping.
⑸What is the baby doing? {#blank#}5{#/blank#} E. He is
writing.
