Heboughtahouseforhischildren________
A、livedinB
本题属于动词不定式复合结构做后置定语。 in 不可省略。句意：他买了一套房子给孩子们住。
Onaverageabout￡5000ayearisspentoneachprivateschoolpupil,_______theamountspentonstateschoolpupils.
名词解释：preferredstock
—You were brave enough to raise objections at the meeting.
— Well, now I regret ________ that.
_______ at all is worth doing well.
名词解释：offer
