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Your dog needs at least 20 minutes of vigorous exercise every day.
A:energetic
B:physical
C:regular
D:free
B:physical
C:regular
D:free
参考答案
参考解析
解析：本句意思：你的狗每天需要至少20分钟精力充沛的运动。vigorous的意思为“精力充沛 的”,energeti。和它意思相同，表示“有活力的，精力充沛的”。
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