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

Having checked the doors were closed , and _________ all the lights were off, the boy opened the door to his bedroom.

  A. why        B. that      C. when         D. where

We haven't settled the question of ______________ it is necessary for him to study abroad.

A. if        B. where        C. whether       D. that

It was not until dark _____he found _____he thought was the correct way to solve the problem.   

A.that; what        B.that ;that       C.when; that       D.when ;what  

The performance of the host ,______to please the audience and draw their attention ,was greeted with a cold silence ,however.

A.had intended  B.intended   C.intending   D.to intend

---Is there any flight to Tokyo today ?---I think there __, for the weather is too bad.

mustn’t be  B.mightn’t be  C.needn’t be  D.can’t be

The road is covered with snow. I can’t understand ________ they insist on going by motor-bike.    

A. why                  B. whether               C. when               D. how

There is a common belief among them _______rubbish can and should be put to good use .

A. which        B. if              C. whose              D. that

—Who did you stay with yesterday? I couldn’t find you anywhere.

 — ___________.  

 A. Mr. Green’s    B.The Greens   C. Greens      D. The Mr. Green’s

Despite such a big difference in ___ towards what one eats, there is no doubt that people in the west regard the Chinese food as something special.

A. point              B. idea          C. attitude       D. sight

Scientists have shown that there is a connection ____ cigarette smoking and certain diseases.

A. with       B. between     C. to      D. for