作业帮Do you know ______ this boy is always crying?Because he is hungry.
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Do you know ______ this boy is always crying?Because he is hungry.
Do you know ______ this boy is always crying?Because he is hungry.
Do you know ______ this boy is always crying?Because he is hungry.
Because“因为” 对应“为什么” Why 所以填why
why
why
the reason
用why，另外句末应用句号