sayantanc2k wrote:
abhimahna wrote:
sayantanc2k wrote:
The intended meaning is:
In 1981 the children spent X hours a week for some work.
In 1997 the children spent Y hours a week for some work.
For option A, first exclude the part "per week" - option A then would imply that when the year 1997 came, children had already spent certain number of hours working. (compare with this sentence: By 3 pm I had already completed 3 hours of exercise - meaning: I had been exercising from 12 noon to 3 pm). This meaning itself is wrong (it is not meant
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