全部改被动语态1.Children have finished ther homework.(被动语态) Their homework( )( )finished.2.You must hand in your homeowrk right now.(改被动语态)Your homework must( )( )in right now.

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全部改被动语态
1.Children have finished ther homework.(被动语态) Their homework( )( )finished.
2.You must hand in your homeowrk right now.(改被动语态)
Your homework must( )( )in right now.

1 Their homework has been finished
2 Your homework must be handed in right now

1. has been 因为homework是不可数名词,所以用单数形式has。2. be handed

1. has been
2. be handed

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1 has been
2 be handed