欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

(2013·北京，21)Volunteering gives you a chance ________ lives, including your own.

The farmers had the machine ________ all day and night.

We spent hours driving and another few hours waiting, only _________ that the plane would be delayed until midnight.

They say that _______ a lot of water is good for you.

The ability  _____  an idea is as important as the idea itself 

In Europe unemployment hit a new record with young people __________ it harder to get jobs．

--- What has made him upset recently?
--- __________ alone to face a troublesome case．

______ to be a football player of the school team, the boy made up his mind to train even harder.

The noise from the top floor，loud and constant，of the meeting-room_________ can be clearly heard in our classroom．

It is believed that if a book is ________，it will surely ________ the reader.