根据所给汉语完成下列句子，每空词数不限。
小题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.
小题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.
小题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.
小题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 _________________.
小题5:你的建议对我很有价值，值得采纳。
Your advice is _________________ to me. It is worth taking.
小题1:carry on with/ go on doing/ go on with/ continue to do/ continue doing
小题2:used to
小题3:is crazy about/ is (very/quite) fond of/ loves/ (much) likes/ enjoys
小题4:from time to time/ at times/ sometimes
小题5:of great value/ (very) valuable
小题1:用动词短语。
小题2:固定短语。
小题3:直接用动词，或形容词短语。
小题4:介词短语、副词均可。
小题5:用形容词，也可用介词短语。