1.the officers will not give them a (答复).2.some (陌生人)cameto

1. reply
2. strangers
3. spent , on doing homework.
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再问： 请问第一句能answer吗？第三句能这样表达吗i (take )two hours (to do homework)yesterday 谢谢您，期待你的回答
再答： 可以,,answer 多用于"答案,回答" take的主语是必须是指示代词it .e.g. sb+spend 钱或者时间+on/in it+take+钱或者时间+to do