【题目】The big earthquake was followed by a series of aftershocks. _______, we had done some preparations before they took place.
A.SadlyB.HopefullyC.ThankfullyD.Unfortunately
在线课程【答案】C
【解析】
考查副词辨析。句意：大地震之后又发生了一系列余震。谢天谢地，在发生之前我们做了一些准备工作。A. Sadly悲哀地；B. Hopefully有希望地；C. Thankfully感谢地；D. Unfortunately不幸地是。根据语境，故选C。