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

The government has taken measures         air quality.

From the dates        on the gold coin, we know that it was made 500 years ago.

The Diaoyu Islands have been part of China’s territory since ancient times, __________ as important fishing grounds of Taiwan.

After completing and signing it, please return the form to us in the envelope ________.

Driving along the Congtai Road in the rush hour, you will surely get _______ in the traffic jam.

The bridges over the Fuyang River have been rebuilt, _________ it possible for boats to sail.

Please tell me the problems ________ at yesterday’s meeting quickly. The manager is calling me!

______himself to his research on the IT technology, he soon made a breakthrough.

----What’s it that cost him the job?
----_______ experience .He was always very nervous.