問題詳情

29.Mrs. Smith finds it hard to clear up the mess, as her children are always ____ whenever she tries to.
(A)in the way
(B)on watch
(C)in sight
(D)on the line

參考答案

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