The police need some more evidence ________they can make a conclusion.

Many experts hold the view ____teacher development is _____the key to better education lies.

Take warm clothes________ the weather is cold.

______could be judged from her eyes that she was terribly sorry for what he _____.

_______he grew older , he began to go deaf.

The little girl who got lost decided to remain ____she was and wait for her mother.

He always brings me a pretty gift ____ he comes to visit me.

___ surprised me most was ____ he was too late for the important meeting, for he was chairman of it. 

_______ all the inventions have in common is _____they have succeeded.
A. What; what         B. That; that         C. What; that         D That; what

There is still high possibility, ________ can be seen at the moment, ________ our company can beat the opponents (对手).