对话课教学模式一般教学程序是______。

Comeinandhavealook.Thisis____bedroom.

Previewingisatechniqueofallowingyoureyestotravelrapidly______apage,stoppinghereandtheretoregisterthemainidea.

—ShouldIhandinformrightnow?

—No.______.Andwhenyoufinishit,callmeplease.

Bodylanguageisapowerfulcommunicationsystem,______itcansignalverydifferentthings.