When they heard the bad news they all looked＿＿＿＿at the master and felt quite＿＿＿＿＿. A. sad

问题补充：

When they heard the bad news, they all looked＿＿＿＿

at the master and felt quite＿＿＿＿＿.

A. sad； sad

B. sadly； sadly

C. sad； sadly

D. sadly； sad

答案：

A. sad； sad

B. sadly； sadly

C. sad； sadly

(答案→)D. sadly； sad

解析：修饰look at用sadly；feel为系动词，用sad作表语。