Question

11. Since the recent river pollution in Shanxi Province, people    more  and more attention to the water quality.

A. pay         B.  are paying

C. have paid    D.  have been paying

Answer 1

11.   D考查动词的时态。句意：自从最近山西省的河水污染事件之后，人们越来越关注水的质量。

【拓展延伸】在表示"自……以来有多长时间了"这个句型中，"可用It is/has been+—段时间+ since时间状语"。如： It is/has been two hours since he came back home.他回家以来有两个小时的时间了。