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题库 / OG2017V-SC-258
Even though the overall consumer price index did not change in April, indicating the absence of any general inflation or deflation, prices in several categories of merchandise have fallen over the last several months.
April, indicating the absence of any general inflation or deflation, prices in several categories of merchandise have fallen
April, indicating that any general inflation or deflation were absent, prices in several categories of merchandise fell
April and indicated that absence of any general inflation or deflation, prices in several categories of merchandise fell
April, having indicated the absence of any general inflation or deflation, prices in several categories of merchandise fell
April, which indicated that any general inflation or deflation were absent, prices in several categories of merchandise have fallen
Note that present perfect + phrase that indicates a length of time indicates that the action began in the past and has continued till now.
this means that the drop in prices has continued until now.
look at these examples -
I have studied for 3 months. (present perfect + time phrase). This sentence implies that I am still studying.
I studied for 3 months. This sentence implies that the "studying" is completed.
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