I wrote a letter to John for his help during my high school years,without which I ________ the college entrance exam.A.would failB.would have failedC.should failD.must have failed
参考答案:
The demand that the law on gun ownership _____ be changed __..
The demand that the law on gun ownership _____ be changed ___ is very strong.A.changesB.will be changedC.be changedD.be changing