maintaining

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maintaining

1.In a Q　A session, as a speaker, maintaining eye contact and listening attentively to the questioner （）。2.A（）vowel is one that is produced with the front part of the tongue maintaining the highest position.3.The（）function refers to the fact that language can be used for establishing a favorable atmosphere or maintaining social contact4.Moon cakes does not play an important role in maintaining guanxi during the Moon Festival. It is only a traditional sanck.