His sister is a member of the rock band.改为同义句His sister ___ ___ the rock band

问题描述:

His sister is a member of the rock band.改为同义句His sister ___ ___ the rock band

His sister is on the rock band
be on = be a member of 是。。。中的一员
又如He is on the school football team他是学校足球队中的一员。

His sister join in the rock band

His sister is on the rock band.
His sister is one of the members of the rock band.
His sister has joined the rock band.

His sister is on the rock band.

His sister has joined the rock band.(如果没有学过完成时就用上边那个)
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