sharksswimmorequicklythanpeople改否定句和疑问句

　　Sharksdon'tswimmorequicklythanpeople.

　　Dosharksswimmorequicklythanpeople?

　　sharkshavebigteeth.改陈述句和疑问句

　　是否定句吧：Sharksdon'thavebigteeth.

　　Dosharkshavebigteeth?

　　pandaswalkmoreslowlythanpeople.改否定句和疑问

　　Pandasdon'twalkmoreslowlythanpeople.

　　Dopandaswalkmoreslowlythanpeople?