____maintain the six percent annual increase after 2017, the federal contribution would be richer by $36 billion.
A.If it is to B.Were it to C.Be it to D.To正确答案B
____maintain the six percent annual increase after 2017, the federal contribution would be richer by $36 billion.
A.If it is to B.Were it to C.Be it to D.To正确答案B