Let's Dale help you 为什么不用helps?

Please let me know if you need help.中help为什么不用helps Let's ____ you ____ this picture.A.helps,colors B.help,to co God helps those who help themselves(为什么用help,不用helps)?再告诉下定语 Let me help you learn English为什么learn不用加to --Let me __ you.--Thanks.A to help B helping C help D helps The box is too heavy.let me---you A help Bto help C helps D doing exercise helps,为什么help要加s her father helps her.为什么help要加S Let's me help you?改错 初一英语题,帮帮我Let Tony（) you with your history.A.to help B.helps let () help you .为什么是ME 是宾格呢? Let's go and＿＿her.A.help B.to help C.helping D.helps 怎么回答?