Your dog needs at least 20 minutes of vigorous exercise every day.A:energetic B

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问题 Your dog needs at least 20 minutes of vigorous exercise every day.

选项 A:energetic
B:physical
C:regular
D:free

答案A

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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