Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
C
注意, 本句话并非定语从句, 而是宾语从句。 因为在介词 in 后面,应该用 what 引导的宾语从句, what 在宾语从句中作主语。
Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyear.
Hisintelligencewill________himtogetascholarshiptocollege.