We were swimming in the lake ______ suddenly the storm started.

   A. when      B. while      C. until         D. before

I have always been honest and straightforward, and it doesn’t matter___I’m talking to.　　

A. who is it　 　 　B. who it is　　

C. it is who　 　 　D. it is whom

 We cannot figure out ______ quite a number of insects, birds, and animals are dying out. A. that    B. as         C. why       D. when

 The Foreign Minister said, “______ our hope that the two sides will work towards peace.”

A. This is               B. There is       

C. That is              D. It is

 I think Father would like to know _____ I’ve been up to so far, so I decide to send him a quick note.   

A. which               B. why           

C. what                D. how

 A story goes _____ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at court.   

A. when            B. where           

C. what               D. that

 Along with the letter was his promise _____ he would visit me this coming Christmas.     

A. which         B. that             

C. what                D. whether

 After Yang Liwei succeeded in circling the earth, _____ our astronauts desire to do is walk in space.   

A. where               B. what

C. that               D. how

 A modern city has been set up in _____ was a wasteland ten years ago.

A. what               B. which          

C. that                 D. where

The road is covered with snow. I can’t understand _____ they insist on going by motorbike.

A. why　　　　　 　 B. whether

C. when　　　 　　 　 D. how