The red lanterns and colorful banners hanging everywhere ________ the festival atmosphere of the school.
| A．adapt to | B．add to |
| C．refer to | D．relate to |
I still remember ______ this used to be a quiet village.
| A．when | B．how | C．where | D．what |
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 |