問題詳情
32. When you pass through the underpass, sometimes you will see a man in rags ________ for a living.
(A) to beg
(B) begged
(C) begging
(D) are begging
參考答案
答案：C
難度：適中0.682403
統計：A(35),B(22),C(159),D(17),E(0)
用户評論
【Zouzo】評論
~who is begging~省略關代who和be動詞，只留下beggimg