[audioFiles]audio_eusm_0130(20106)[/audioFiles]A、At least 20 minutes a day.B、L

游客2023-09-12  26

问题  

选项 A、At least 20 minutes a day.
B、Less than 20 minutes a day.
C、Exactly 20 minutes a day.
D、More than 20 minutes a day.

答案 A

解析
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