Later, they learned to work with the seasons, planting at the right time and, in dry areas, ______ (make) use of annual floods to irrigate (灌溉) their fields.(2020浙江卷2)
答案填 making，与前面的 planting...并列。请问句中的这两个现在分词短语作什么成分？
二个现在分词短语是不定式to work with the seasons的方式状语。
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