After months of voyage, Columbus arrived in ______ later proved to be a new continent.
A、whereC
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。
Hewouldhavegivenyoumorehelp,ifhe________sobusy.
The two girls competed with each other ______ the highest mark.
They are eager _______ abroad.
Jennycomplainedthatthehospital________hertoomuchforthetreatment.
Thecentraltheatrehasaseating________ofmorethan3,000people.
