Ihavenotheardanythingfromhimsincehis_______.
Severalloudspeakersare_______fromtheceilingandwecanhearthespeakerveryclearly.
Ifyouhaveanyproblemsduringyourstudyhere,pleasedonot_______tocallmeforhelp
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
有人认为，既然人的意识是对客观外部世界的反映，那么人脑里的“鬼”、“神”意识就是对外在世界上鬼、神真实存在的反映。这种观念的错误在于()
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.