be good at sth. 擅长做某事 be absent from 缺席 be annoyed at 对……恼怒 be in charge of 负责 be available to sb. 可被某人利用或得到 at one’s expense 由某人支付费用 be conc...
How often do you go for a brisk walk? B: I go for a leisurely walk after dinner when the mood strikes me, maybe twice a month, but I almost never take a long, brisk walk. I...
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