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

If more readers become comfortable with reading digitally, _______ but the book-collectors will want to buy paper books．

A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change．

All of us want very much to see these recommended movies, especially _____ you referred to just now.

In the thrilling activity of bungee jumping, ________most matters is courage rather than strength.

Some say one thing, but _____. 

_____is known to us all is that we should do as much as we can ______ stop the pollution of the environment.

28. Alone in a deserted house, he was so busy with his writing that he felt ________ lonely.

I would appreciate__ if you come to my grandma’s birthday party and say “Hello” to her.

—What’s that? It smells great!
—It’s just milk tea．Would you like __________?

—I haven't got a mobile phone.   
—I think you should have        . It's useful for you.

A．one

B．this

C．that

D．it