Take your son at school,please.这句话哪里错了

Take your son at school,please.这句话哪里错了 Please take this book on the desk.这句话哪里错了 "Please take off it,kate"这句话错在哪里 Please tell him don't to be late for school这句话哪里错了? Welcome back at school.这句话错在哪里 When he visited to you.did he take his son?这句话错在哪了 what does your sister usually do at school night.哪里错了 Tell me about your school,please.这句话的中文 Hello ! Could I take to Ann , please ? 这句话错在哪里? Where is your school?哪里错了? Will you take your doll for school.这句话是对的还是错的 It's hot today.Please put on your coat.这句话错在哪里