单句改错:下面每句均有一处错误,指出并加以改正(很容易的,
()1.Hisphonenumberisthree,four,nine;zero,nine,two,eight.
()2.Ittakeshimhalfhourtogettoworkbycar.
()3.I'llgothereinsteadhim.
()4.SherushedinthekitchentosaveMrsSun.
()5.Hewillbebackaftertwohours.
()6.Summercomesbehindspring.
()7.MrBrownwenttoupstairstowalktotheman.
()8.Hecan'tsingasongatall.Hesingsveryterriblely.
()9.Shesaidshewouldbebacksoonerorlate.
()10.Areyouinthedifferentgrades?