ls this tall girl pretty?肯定句

ls this tall girl pretty?肯定句 Is this tall girl your sister?该肯定句 ls mr hu tall?(改为肯定句） ls this your pen?(改为肯定句） ls this the playground?改成肯定句怎么改 ls this your computer?改为肯定陈述句 ls this your mobile作肯定回答 ls the rabbit running?改为肯定句 A:man girl boy woman B：short pretty fat tall Please open the door(否定句）Is this tree tall(肯定句） ls this your book ?（作肯定回答） ls this a bus复数句