On the shelf in my room _____ sonme books and a dictionary belonging to my sister.A.are B.have 为什么选B?

on the shelf还是in the shelf? 1.Nowadays the computer is playing a more and more important r------ in our life2.My arm is not long enough .I can't r------- the books on the top of the shelf.填单词.急、、、、、、、 I keep my books on the _____ (shelf) in my room.这道题的答案是shelves 请问如果是shelf 不行吗? My books are on the shelf. 为什么BOOK+S? My father is glasses are on the shelf 书在书架上是on the shelf还是in the shelf同上同上同上同上 My books are on the shelf 为什么要加 are?My books on the shelf不对吗? the books on the shelf are my sister's.(对划线部分提问)划线部分是：on the shelf On the shelf in my room _____ sonme books and a dictionary belonging to my sister.A.are B.have 为什么选B? on the shelf什么意思 my room翻译I have my own room. It is big and nice. There is a bed, a desk and a shelf. The doll is on the bad. The lamp is on the desk. The books are on the shelf. The trash bin is behind the door. The clothes are in the closet. There is a air-cond on the shelves 还是on the shelf... ( )my room I have( ) air-conditioner.( ) this your room?There( ) many books ( ) the shelf.are an can in own like is on中选 My little brother is too short __reach the bottle on the shelf.填介词 can you keep my book on the shelf for the present 中文翻译 my father's glasses are on the shelf..（用whose提问） My father is glasses are on the shelf 用whose提问 Mum,I----find my photo.It------on the shelf.But now it------there.-----is it?