问题
选择题
The plane flew smoothly ______ in the sky and people spoke ______ of the experienced pilot.
A．high；high
B．highly；highly
C．high；highly
D．highly；high
答案
答案：C
high in the sky 是个形容词短语，意为“高高地在天上”。同时，speak highly of 是个词组，表示“高度赞扬”的意思。