TheFrenchmaintaina________separationofpersonalandprofessionallife.
C
A . 不友好的，怀有敌意的 ; B 严肃的，认真的 ; C 严格的，坚固的，僵硬的 ; D 快的，迅速的
_______ at all is worth doing well.
The traffic was held up for more than thirty minutes, ________ caused me to arrive late.
Onaverageabout￡5000ayearisspentoneachprivateschoolpupil,_______theamountspentonstateschoolpupils.