She didn't answer the phone.She ___ be asleep.
| A．couldn't | B．mustn’t | C．might | D．had to |
The noise was so _____ that only those with excellent hearing were aware of it.
| A．dim | B．soft | C．faint | D．gentle |
We can't _____ one to change the habits of a lifetime in a short time.
| A．hope | B．wait | C．expect | D．imagine |
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. |