----Whatwereyoudoingwhenshedroppedin?  ---I

問題詳情：

----What were you doing when she dropped in?

   ---I ____for a while and _______some reading.

   A. was playing; was going to do             B. played; did

   C. had played; was going to do              D. had played; did

【回答】

C

知識點：動詞時態與語態

題型：選擇題