三题英语改句急求

三题英语改句急求
1、There was plenty of snow in beijing last winter(保持原句意思）
It ____ ____ inn beijing last winter.
2、Tom jumps the highest in our school.(保持原句意思）
No one ____ in our school jumps as ____ as Tom
3、I have already packed my suitcase(改为一般疑问句）
____ you packet your suitcase ____