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。
It is important to ________ your skin from the harmful strong sunlight.
Decision on whether the message is right or wrong should at least come after _____what the message is.
_______ for your laziness，you could have finished the assignment by now.
支持代孕的理由有
Heblamedhispoorperformance_____jetlag.
