Bodylanguageisapowerfulcommunicationsystem,______itcansignalverydifferentthings.
基础教育阶段学生应学习和掌握的英语语言基础知识除了语音、词汇、语法、话题外，还有______。
Previewingisatechniqueofallowingyoureyestotravelrapidly______apage,stoppinghereandtheretoregisterthemainidea.
I'dlike__Katesoon.
InCanadatherearetwoofficiallanguages,Englishand______.
