You’d better leave things ________ if you don ’t know how to deal with them
C
A.离开，离去;B不在里面，出局;C单独的(地);D完结，翻倒，越过
—Youwerebraveenoughtoraiseobjectionsatthemeeting.
—Well,nowIregret________that.
Sofarscientistshaveonlyacquired________understandingofthephysicalprocessesthatcauseearthquakes.
Onaverageabout￡5000ayearisspentoneachprivateschoolpupil,_______theamountspentonstateschoolpupils.