Ifpennicillin

問題詳情：

 If pennicillin _____ available, many people _______ from sickness pr even small wounds.

   A. weren’t ; would die                      B. were’t; will have died  

C. hadn’t been; would die                   D. hadn’t been; would have died

【回答】

D

知識點：虛擬語氣與情態動詞

題型：選擇題