You'd better send ＿ the doctor at once.填介词.

You'd better send ＿ the doctor at once.填介词. You have to send ( ) a doctor at once?填介词 You’d better _______ the whole article at once. 改错（小学英语）You are ill.You'd better go to look at the doctor ri You’d better go home at once 否定句 Your bedroom is very dirty.you'd better () at once. you'd better turn off the radio at once.(改为否定句）you'd ___ ___ 1、He was in __ pain.you'd better send for a doctor. We"d better to call the police at once. you'd better move ___the bag 填介词 The doctor can you()half ()nine.填什么介词? you'd better set at the some