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。
Thebookfairhasreceivedapositive________fromreaders.
I don ’ t need any help at the moment,but I _____your offer.
Theypreferto_______therestofthemorningwalkinginthegarden.
It is difficult to ________ the implication between the lines.