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ranjeet75
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In 1981 children in the United States spent an average of slightly less than two and a half hours a week doing household [u]chores; by 1997 they had spent nearly six hours a week[/u].
A. chores; by 1997 they had spent nearly six hours a week
B. chores; by 1997 that figure had grown to nearly six hours a week
C. chores, whereas nearly six hours a week were spent in 1997
D. chores, compared with a figure of nearly six hours a week in 1997
E. chores, that figure growing to nearly six hours a week in 1997
OA is [spoiler]B[/spoiler]
[spoiler]how the use of past perfect is correct here[/spoiler]
A. chores; by 1997 they had spent nearly six hours a week
B. chores; by 1997 that figure had grown to nearly six hours a week
C. chores, whereas nearly six hours a week were spent in 1997
D. chores, compared with a figure of nearly six hours a week in 1997
E. chores, that figure growing to nearly six hours a week in 1997
OA is [spoiler]B[/spoiler]
[spoiler]how the use of past perfect is correct here[/spoiler]
