--Jenny,willyouleavefortheUSAnow? --No.Itwillbetwoweeks...

問題詳情：

--Jenny, will you leave for the USA now?

  --No. It will be two weeks ________ I leave here.

A. until          B. since            C. before           D. when

【回答】

C

知識點：連詞

題型：選擇題