问题描述：
写出下词语的缩略形式
Let us( ) I am( ) She is( )
do not( ) is not( ) They are( )
Whe are( ) Who is( ) You are( )
It is( ) are not( ) have not( )
Let us( ) I am( ) She is( )
do not( ) is not( ) They are( )
Whe are( ) Who is( ) You are( )
It is( ) are not( ) have not( )
问题解答：
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