一件工程，甲队每天完成全部工程的 $\frac{1}{10}$ ，乙队每天完成全部工程的 $\frac{1}{15}$ ，两队合作1天能完成全部工程的____，还剩全部工程的____没有完成．(填分数)

根据世界局部地区判断，下列组合正确的是（    ）

2018 Music Festivals, UK

    The Green Gathering

    Date:15^th Aug. —22^nd Aug.

    Location: Chepstow Center

    Details: Over 100 live bands plus DJs on five private solar-powered stages. A wonderful site in a wooded area of outstanding natural beauty. 8 days of inspiration and relaxation are about traditional crafts, campaign stalls(活动摊位), and a magical kids' area.

    Sport Beat Music Festival

    Date: 20^th Aug. —29^th Aug.

    Location: Oxstalls Sports Park

    Details: Time for fun in the sun with Sport Beat. The festival is for those who wish there are volleyball and netball games that take place over the weekend. Attractions include: ball coaching, food village, and bars. Please see details for VIP passes on our website.

    Creamfields Festival

    Date: 26^th Aug.—28^th Aug.

    Location: Daresbury Court

    Details: Creamfields is the world's leading dance music festival. Creamfields is famous for many things, not just its traditional world class dancing but its unbeatable atmosphere! The festival mixes together style breaking pioneers from across the DJ and live music spectrum(声谱).

    Wilkestock Charity(慈善)Music Festival

    Date: 27^th Aug.—31^st Aug.

    Location: Wilkestock Stadium

    Details: With entertainment this year from mystery jets to a huge electronic lineup(阵容), this festival keeps turning up the heat year on year while keeping all profits donated direct to charity.