ManyworkerswereorganizedtoclearawayremainedoftheWorldTradeCenter.
________evidencethatlanguageacquiringabilitymustbestimulated.
You____himsoclosely;youshouldhavekeptyourdistance.
ProfessorWang,_______forhisinformativelectures,waswarmlyreceivedbyhisstudents.
Generallyspeaking,thehardoneworks,_______.