句型转换
（1）There are some birds in the sky.     (变为否定句)
There ______ ______ birds in the sky.
（2）There’s a little dog under the tree.   (变为一般疑问句)
______ ______ a little dog under the tree ?  
（3）Her shoes are white.              (就划线部分提问)
______ ______ are her shoes?
（4）There’s  a map on the wall.        (就划线部分提问)
______ ______ on the wall?
（5）There’re twenty-five boys in the class. (就划线部分提问)
______ ______ boys are there in the class?