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

Do you go ______ a school trip ______ a museum every year?                        

Does she have any problems _________her lessons？            

Your notebook _______ Li Lei’s.

---Where is your father?
---He          to Shanghai    business.

Vienna,the capital of Austria,is  the River Danube and
The Blue Danube is      Strauss.

The students sometimes complain about their new teacher because he is too strict ____ them. 

         spending your vacation in a hotel. Why not try hiking in the country?

David scored a wonderful goal _____the football match and the team won the match ______.

When I walk_____ the classroom, all the students are listening carefully.

He had to stay at home _____________the heavy rain.
A because     B since      C because of   D so