句型转换。按要求改写下列句子,每空一词。
(1)There is a book on the desk. (改为一般疑问句)
a book on the desk?
(2)There are some cakes in the fridge. (改为否定句)
There cakes in the fridge.
(3)There is a girl under the tree. (就划线部分提问)
______ ______ _______ ________ there under the tree?
(4)many, books, the, how, on, desk, there, are(?)(连词成句)
.