問題詳情

21. ___________ for the bus, _________ fell out of his pocket.
(A)Running, John’s cell phone
(B)Ran, his cell phone
(C)As John was running, his cell phone
(D)When he is running, John’s cell phone

參考答案

答案:C
難度:適中0.612245
統計:A(17),B(4),C(60),D(7),E(0)