After months of voyage, Columbus arrived in ______ later proved to be a new continent.
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。
His intelligence will ________ him to get a scholarship to college.
Hisintelligencewill________himtogetascholarshiptocollege.
He was ______ to withdraw from running for the presidency.
Decision on whether the message is right or wrong should at least come after _____what the message is.