—Whenwillyourfathercomeback?—Idon’tknow.Iwilltellyou

問題詳情：

—When will your father come back?

—I don’t know. I will tell you _____ he comes back.

        A. before         B. as soon as        C. until         D. and

【回答】

B

知識點：連詞

題型：選擇題