读句子，将下列句子与相应的图片匹配。⑴What's this? It's a library.{#blank#}1{#/blank#} A. 
⑵Is this a school? No, it's a hall.{#blank#}2{#/blank#} B. 
⑶Good morning. Where's my school?{#blank#}3{#/blank#} C. 
⑷Is that a school? No, it's a classroom.{#blank#}4{#/blank#} D. 
