These girls are nice改为否定句

These girls are nice改为否定句 the girls are nice改为否定句和疑问句 These girls are nice.改为一般疑问句 These are nice picture.(改为否定句） thanks you! Are these nice pictures 改为单数句 These are your sisters.改为否定句 These are your brothers改为否定句 These are books.改为否定句 These,are,her,brothers.(改为否定句)() These are my books 改为否定句 These are my friends.改为否定句 These are her friends.改为否定句