ThefiremeninTianjinexplosionscenedevotedtheirlives

問題詳情：

 The firemen in Tianjin explosion scene devoted their lives ____ the spread of pollution.

A. to preventing   B. to prevent  C. for stopping   D. to stop

【回答】

A

知識點：動詞和動詞短語

題型：選擇題