[单选题]Over the past decades, sea icein the Arctic as a result of global warming.A. . haddecreased Bdecreased C has been decreasingD is decreasing
[单选题]Over the past 20 years, the Internet helped change our world in _____way or another for the better. A. any B. one C. every D. either
[单选题]Over the past 20 years, the Internet has helped change our world in way or another for the better.A. anyB. one C. everyD. either
[单选题]Text 2Over the past century, all kinds of unfairness and discrimination have been condemned or made illegal. But one insidious form. continues to thrive: alphabetism. This, for those as yet unaware of such a disadvantage, refers to discrimination aga
[单选题]Over the past few years, the companies in an industry have experienced posi
[单选题]Over the past century, all kinds of unfairness and discrimination have been
[单选题]Over the past century, all kinds of unfairness and discrimination have been
[单选题]Over the past century, all kinds of unfairness and discrimination have been
[单选题]Over the past century, all kinds of unfairness and discrimination have been
[单选题]Over the past century, all kinds of unfairness and discrimination have been