childrenfeelveryhappy()theyseethem,
when where why who
四个单词中选哪一个
你好,正确答案是: 选择第一个 when
Children feel very happy ( when ) they see them.
中文意思: 孩子们看到他们时感到很高兴。
应该填入的是“when”——时间状语从句。
填 when
Children feel very happy when they see them.
孩子们见到他的时候都非常高兴。
children feel very happy( )they see them,
when
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