Do you knok this people?这个句子哪里错了?

"which coulour do you like best,red or blue?"这个句子哪里错了? This is a alarm clock 这个句子哪里错了?.. This is an useful tool.这个句子哪里错了? do you like some interesting people to talk哪里错了 This's a great chance that many people do not have.这个句子中的do Please help me do this job ,I will pay for you later.哪里错了 What are you go to do this afternoon 这句话哪里错了 what are you paln to do this evening?这句话哪里错了? this is my classroom.the waii are white这个句子 哪里错了 what is name of this village 这个句子哪里错了? Do you speak English?哪里错了? do you like dance哪里错了?