He was working quietly, with all his attention _______ on the task.
| A．was fastened | B．fastening | C．to fasten | D．fastened |
It is recommended that the project ________ not be started until all the preparations have been made.
| A．must | B．can | C．need | D．should |
The governor is occupied ________ the meeting at the moment. May I take a message?
| A．with | B．at | C．in | D．for |
We planned to climb the mountain today, but in such ________ bad weather, it seems out of ________ question.
| A．不填； the | B．不填； 不填 | C．a; a | D．a; the |
—Do you like classical music?
—________.I'm quite keen on jazz.
| A．It doesn't matter | B．My pleasure |
| C．Sure | D．Not really |
We have ______ the get-together until next weekend when we won’t be so busy.
| A．set off | B．put off | C．take off | D．set up |