---Areyouaworkerhere?  ---No.Idon’treallyworkhere.I

問題詳情：

 ---Are you a worker here?

   ---No. I don’t really work here. I ________until Mrs. Liu comes back from her business trip.

   A. will just help out       B. am just helping out    C. just help out      D. have just helped out

【回答】

B

知識點：動詞時態與語態

題型：選擇題