【题目】The plane flew ______ in the sky and the people spoke ______ of the experienced pilot.
A.highly, highly
B.high, high
C.high, highly
D.highly, high

【答案】C
【解析】考查副词辨析。句意：这架飞机在天空中飞得很高，人们都高度赞扬这位经验丰富的飞行员。第一个空，形容飞机飞得高，用high；第二个空，speak highly of 固定用法，“高度赞扬”，所以选C。