Itispossiblethatthereisafireinaforest,

問題詳情：

 It is possible that there is a fire in a forest, _______ ,of course, should set alarm bell ringing.

     A. where　　　            B. that　　　             C. what　　　             D. which

【回答】

C

知識點：連詞

題型：選擇題