问题描述：
there is a bike under the tree.(改为复数形式)there___some___under the tree.
there are some books on the desk.(改为否定句)____ ____ ____books in the desk
are there any bags on the desk?(否定回答)____,____ ______
there is some milk in the glass.(对some提问)____ ____milk ____ ____in the glass?
there is a computer in the room.?(改为一般疑问句)____ ____ a comouter in the room
there are some books on the desk.(改为否定句)____ ____ ____books in the desk
are there any bags on the desk?(否定回答)____,____ ______
there is some milk in the glass.(对some提问)____ ____milk ____ ____in the glass?
there is a computer in the room.?(改为一般疑问句)____ ____ a comouter in the room
问题解答：
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