22.Look! Ellen’s sisters _______. They’re good swimmers.(A) are swim(B) to swim(C) are swimming(D) s

問題詳情

22.Look! Ellen’s sisters _______. They’re good swimmers.
(A) are swim
(B) to swim
(C) are swimming
(D) swim

答案：C
難度：適中0.571429
統計：A(2),B(0),C(4),D(1),E(0)