Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.
Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
Theprofessoraskedaquestion,andDavid________agoodanswer.
Whydoyoublamehimforhispoorjudgmentonthematter______hereallyneedsisencouragement?
英语翻译：基金会
