There are laws in some coutries which prohibit advertisements from___at inappropriate time and places
| A．being shown |
| B．shown |
| C．show |
| D．to have shown |
____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 |
_____more countries can use natural energy in the future remains to be seen.
| A．Whether | B．This | C．who | D．If |