Нужно выбрать правильный вариант прилагательного/наречия (с переводом не с интернет-переводчиков или хотя бы отредактированный) a study was recent / recently carried out into the productivity of 160 engineers. the engineers worked in teams but also did many tasks individual/
individually. the study looked at how frequent /frequently the engineers helped each other. engineers were also asked to say how high / highly they respected each of their colleagues. the study found that helpful / helpfully engineers received a high / highly level of respect from their colleagues. however, if they gave help but didn't receive much, they were not very productive /
productively. those engineers who accepted help as well as giving it were able to boost their productivity and were also more popular/ popularly with their colleagues.

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