根据所给汉语完成下列句子，每空词数不限。
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.
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.
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.
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 ____ .
你的建议对我很有价值，值得采纳。
Your advice is ____ to me. It is worth taking.
