問題詳情
【題組】13. _________ what to do, Ken asked his teacher for help.
(A) To know
(B) Not know
(C) Knowing
(D) Not knowing
參考答案
答案：D
難度：困難0.333333
統計：A(0),B(1),C(0),D(1),E(0)
用户評論
【abcdef4196791】評論
Not knowing what to do, Ken asked his teacher for help.Because he didn't know what to do, Ken asked his teacher for help.