問題詳情

21.A:It’s difficult to exercise in a big city.B:Not at all. You can walk up stairs. It’s a goodexercise. Don’t be a __________ .
(A) good excuse
(B) red envelope
(C) grass skiing
(D) couch potato

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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