Veryfewpeopleunderstoodthiscontract,______wasveryobscure.
A、thelanguageB
the language of which 引导非限定性定语从句，并在定语从句中做主语。句意为：没有几个人懂这份合同，合同的用词含糊不清。
Sicknessoften_______eatingtoomuch.
重写句子：Fossilfuelsarenon-renewable.Weneedtofindalternativeenergysources.(compoundsentence)
改写病句：WhiledrivingonBlueberryAvenueyesterdayafternoon,atreefelltowardJack
Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.
Weareallconcerned_______hersafety.
