——How often do I need to feed the dog?
——It___food everyday, or it will be hungry.
| A．must give | B．must be give | C．must be given | D．must be gave |
——How often do I need to feed the dog?
——It___food everyday, or it will be hungry.
| A．must give | B．must be give | C．must be given | D．must be gave |
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