23．Nothing taught by others can have the same effect on you as learned by yourself.
| A．that | B．it | C．the one | D．which |
He thought I was talking about his son, ____in fact I was talking about mine.
| A．when | B．while | C．however | D．which |
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 |
When you have difficulty in learning new words, you can ____the dictionary.
| A．look up | B．turn up | C．turn to | D．turn over. |
John is one of the staff members who ___to be sent abroad for further study.
| A．is going | B．are going | C．have been going | D．has been going. |
The girl ____forward to buying a new gold watch.
| A．referred to look | B．refers to look | C．referred to looks | D．referring to looks. |