题目内容：

根据所给汉语完成下列句子，每空词数不限。

1.奥比斯医生所需要的是足够的钱，以继续他们的志愿者工作。

   All ORBIS doctors need is enough money to __________________ their voluntary work.

2.丹尼尔过去常常在两餐之间吃零食，但是现在不再吃了。

   Daniel _________________ eat a lot of snacks between meals, but now he doesn’t eat any more.

3.南希酷爱打排球，她想加入排球俱乐部。

   Nancy _________________ playing volleyball. She wants to join the Volleyball Club.

4.我们已经好多年没有见面了，但是我们不时地通邮件。

   We haven’t seen each other for many years, but we send emails _________________.

5.你的建议对我很有价值，值得采纳。

   Your advice is _________________ to me. It is worth taking.