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

Not until the train pulled into the station ______ that his suitcase was gone.

—I think the environment is becoming worse.
—Yes, I really don’t know            we can do about it.

We all think it is Jack, rather than his parents that           responsible for his bad manners in public.

The news shocked the whole nation         a strong earthquake hit Yushu on Apr.14, 2010.

It was about 600 years ago _______the first clock with a face and an hour hand was made.

We must keep in mind the fact __________ China is still a developing country.

Only when _______ hard _______ make your dream come true.

When it comes to relieving stress, proper rest and good nutrition can help, _______.

While watching television, __________.

Thomas wants to know ______Nina lives.