【题目】It is ______ that Mr. Brown sailed across the world by himself______ within about 130 days.
A. terrified, successful B. scary, successfully
C. amazing, successfully D. convincing, successful
在线课程【答案】C
【解析】Mr brown 在130天之内成功地环游了世界真令人吃惊。第二个空形容动词环游用副词。。。。事是令人吃惊的。