The lady was so absorbed in her job that she didn't hear a customer ________ at the door.
| A．to knock | B．knocking |
| C．be knocked | D．knocked |
It’s necessary to have some____ knowledge for this job.
| A．electric | B．electrical | C．elctron | D．electricity |
I’m going to Beijing tomorrow. Do you have anything____ to your brother there?
| A．to take | B．to be taken | C．taken | D．take |
____ talking with his Grandma, he went away without saying a word.
| A．Tiring with | B．Tiring of | C．Tired with | D．Tired of |
If you can’t come tomorrow, we’ll____ have to hold the meeting next week.
| A．yet | B．even | C．rather | D．just |
The hunter said he was lucky to get out of the forest____.
| A．living | B．alive | C．lively | D．live |