I open my mouth, I put my food in it.
A. At times
B. Some time
C. Every time
D. By the time
网友回答
A. At times
B. Some time
(答案→)C. Every time
D. By the time
解析：考查time的短语。A时而不时，有时；B某时；C每次（连词短语）；D到…时为止；句意：每次我张开嘴，我就放入一些食物；故C正确。本句中的every time本来是一个名词短语，现在转换成一个连词，连接时间状语从句。