—It'ssolate.Whynotwritethereporttomorrow?—ButIdon'tknow...

問題詳情：

—It's so late. Why not write the report tomorrow?

—But I don't know _______. I can do it if not now. A. why    B. when     C. how   D. where

【回答】

B

知識點：相似 相近詞比較

題型：選擇題