2019年mpacc考试英语真题——介词和介词短语299

{01}I ______ him to stop smoking, but failed.
A.persuaded
B.tried to persuade
C.try persuading
D.tried persuading
解析：考查短语：try to persuade sb to do 试着说服某人做某事，句意：我试着说服他戒烟，但是失败了。所以选B。
本题选B。
{02}Before the Libyan War ____ , many people put away their valuables in safe places
A.came about
B.broke out
C.happened
D.broke off
解析：词义辨析。Ａ产生，发生；Ｂ爆发；Ｃ发生；Ｄ中断，折断；结合句意可知Ｂ正确。句意：在利比亚战争爆发之前，很多人把值钱的东西都放在了安全的地方了。
本题选Ｂ。