whenIturnedaround,Icaught      glimpseof      blackfig...

問題詳情：

 when I turned around, I caught       glimpse of       black figure just coming up the stairs. A. /; a                      B. a; a                          C. /; the                        D. a; /

【回答】

B

知識點：冠詞

題型：選擇題