You didn't take his advice. ________ his advice， you ________ such a mistake.
| A．Had you taken，wouldn't have made |
| B．If you had taken，would make |
| C．Were you lo take，shouldn't have made |
| D．Have you taken， won't have made |
___ felt funny watching myself on TV.
| A．One | B．This | C．It | D．That |
Catherine bought a postcard of the place she was visiting, addressed______to _____and then posted it at the nearby post office．
| A．it; her | B．it; herself | C．herself; her | D．herself; herself |
If I can help_______, I don't like working late into the night.
| A．so | B．that | C．it | D．them |
_______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.
| A．As | B．That | C．This | D．It |
I’d appreciate ____ if you would like to teach me how to use the computer.
| A．that | B．it | C．this | D．you |