Jack, try to learn some relaxation exercises and do them you feel stressed.
A. for every time
B. every time
C. by the time
D. some time
网友回答
A. for every time
(答案→)B. every time
C. by the time
D. some time
解析：考查时间状语从句。从句中缺少连词，A、D不能做连词，可排除，every time每次，by the time到什么时候，句意：杰克，试着学一些放松的运动，当你每次感到有压力的时候可以做这些运动。故选B。