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

       by a policeman, the children crossed the street safely.

He told us whether           a meeting was still under discussion.

They considered ______ a computer, which was considered ________ a great help in their work.

He sent me an e-mail, ________ to get further information.  

I really appreciate ________ to relax with you on this nice island.  

Generally speaking, prices of daily goods ______ through the Internet are lower than store prices．

The ability ________ an idea is as important as the idea itself.

The setting sun was reflected on the river, ________ everything along the banks ________ all the more beautiful.

Is it normal that in September hotels near universities are overcrowded, _____ many parents from a distance nowhere to stay but to sleep on the playground ?

I ___________ that work last week, but I changed my mind.