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)