英语答案。 5
2016-09-21
展开全部
always ready [for] help
[,] therefore,
[among > between]
student (No comma) who [keeps > observes]
[But > However]
he [got > gets]
dont know [what >how]
[exchange > communicate]
relationship (of what?)
about (no 'with') each other
I [do > due] we will be close[r]
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