Perseveranceisakindofqualityandthatis_______ittakestodoanythingwell.
我就担心丧失机会。不抓呀，看到的机会就丢掉了，时间一晃就过去了。（）
DuringtheSecondWorldWar,Roosevelt,StalinandChurchillmetat________.
_______,couldyougetmeaTurkishconversationbook?
Weweretoldthatthestonefigure_______backtothe16thcenturywasofgreatvalue.
