完成句子。

1. 明天是母亲节。我们去给她买个礼物吧！

    Tomorrow is Mother's Day. ______ go and buy a present for her.

2. 吃含有苏丹红1号的食物是不安全的。 

    ______ to eat food with Sudan I.

3. 这位穷困的女孩非常幸运，她通过希望工程得到了许多书。

    The poor girl was ______ she received many books from Project Hope.

4. 最近，科学家们正忙着撰写有关甲型H1N1流感的研究报告。

    Scientists ______ the report on A/H1Nl Flu these days.

5. 我认为现在还不是放松的时候。我们仍然有许多要做的事情。

    I ______. We still have a lot to do.