When we heard the gun fire we all stood still and shook with .A. fearB. a fearC. fearsD.

问题补充：

When we heard the gun fire, we all stood still and shook with .

A. fear

B. a fear

C. fears

D. the fear

答案：

(答案→)A. fear

B. a fear

C. fears

D. the fear

解析：fear为不可数名词“害怕”没有复数形式。句意：当我们听到枪声时我们站着一动不动害怕得浑身颤抖。