No one ____ that to his face.
| A．dares say | B．dares saying | C．dare say | D．dare to say |
It is widely ______that smoking can cause cancer.
| A．believed | B． think | C．say | D．hoped |
____appeared to me that he enjoyed the food very much.
| A．What | B．It | C．All that | D．That |
____all the inventions have in common is ____they have succeeded.
| A．What; what | B．That; that | C．what; that | D．That ; what |
____you don’t like him is none of my business.
| A．What | B．That | C．Who | D．How |
____he will go to work in a mountain village surprises all of us.
| A．What | B．That | C．Whether | D．If |