much of the ant's time is spent on combing bits of dirt and debris off their bodies这句话哪里错了

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much of the ant's time is spent on combing bits of dirt and debris off their bodies这句话哪里错了

much of the ant's time is spent on combing bits of dirt and debris off their bodies这句话哪里错了
much of the ant's time is spent on combing bits of dirt and debris off their bodies
这句话哪里错了

much of the ant's time is spent on combing bits of dirt and debris off their bodies这句话哪里错了
on->in或去掉in
spend的用法:
spend on sth.
spend ..in doing sth
in可以省略

ants' 蚂蚁复数

期待中!

spend没有被动语态