下载APP
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage Three In recent years there has been an increasing number of large oil spills. These spills, some of which have occurred directly at the site of extraction and others during tran...
A.
immediately
B.
after quite a long time
C.
few years later
D.
after several months