19. If there is no one _______ him with the preparation, he will have to put off the meeting.(A

問題詳情

19. If there is no one _______ him with the preparation, he will have to put off the meeting.
(A) help　　
(B) to help
(C) helps　　
(D) helped

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