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too, open so, closed too, closed so, open
distinguish separate identify recognize
used to; used to were used to; are used to used to; arc used to were used to; used to
individuals with identical brains seldom test at the same level an individual’s intelligence is determined solely by his environment children reared under average conditions possess average intelligence lack of opportunity hinders the growth of intelligence
distinguish separate identify recognize
where are the twins, have been where were the twins, have been where the twins are, have gone where the twin were, have gone
include included to include including
were, are missing was, are missed are, are lost were, are losing.
individual with identical brains seldom test at same level an individual’s intelligence is determined only by his environment lack of opportunity blocks the growth of intelligence changes of environment produce changes in the structure of the brain
the roles of genetic factors the roles of environmental factors the roles of both factors the roles of brotherhood
terrible very terrible terribly too terrible
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