问题补充：
--- I think Tom is kind of unhealthy.
--- I agree with you. He take exercises.
A. ever
B. usually
C. sometimes
D. hardly ever
答案：
A. ever
B. usually
C. sometimes
(答案→)D. hardly ever
解析：考查副词：A. ever曾经B.usually 通常C. sometimes有时D. hardly ever几乎不，根据上文的意思—我想汤姆有点不健康，我同意，他从来不运动，可知用hardly ever，故选D
