问题补充:
I can believe what he says because he is changing his mind. .
A. regularly
B. steadily
C. suddenly
D. constantly
答案:
A. regularly
B. steadily
C. suddenly
(答案→)D. constantly
解析:
试题分析:考查副词辨析。A定期地;B稳定地;C突然地;D持续地。根据语境判断D选项正确,因为他不断地改主意才不能相信他,句意:我不能相信他说的话,因为他总是改变主意。