请问这句话对吗?Why not let us go to help him do?

请问这句话对吗?Why not let us go to help him do? Why not speak English more difficult,这句话对吗? 这句话对吗?不对该怎么改Why not tell it to your mother? it is very cold ,why not to close the window 这句话对吗? why do not you ask the teacher to the questions after class 这句话对吗 why did John not open the door这句话对吗?请指出错误 ①让某人做某事怎么说?②We are tired.Let's (to relax).这句话对吗?请说明理由如果有错并改正!③Why not （take）a taxi to go home?这句话对吗?请说明理由如果有错并改正!④And the dolphin can act as people do 请问 有情人终成眷属 这句话对吗 请问这句话的意思:“Not if I can help it,son .” Aren't you going to shoot it? asked the boy.Not now,son . Are you going to let it go? “Not if I can help it,son .” Then why don't you shoot it? It just doesn't seem fair. 1.请问 You look not well这句话对吗? Why everybody do not speak?---这句子对吗? 请问这句英语 why do you not say ''why” 请问这句话的意思: “Not if I can help it, son .” Aren't you going to shoot it? asked the boy. Not now, son . Are you going to let it go? “Not if I can help it, son .” Then why don't you shoot it? It just doesn't seem fair. 1. Let's ask the police for help.这句话对吗? Let me tell you something about me.这句话对吗? He was let entrance the room这句话对吗 let's cleaning our classroom这句话对吗 let us be all a famlily这句话对吗