The noise from the top floor, loud and constant, of the meetingroom ________ can
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| The noise from the top floor, loud and constant, of the meetingroom ________ can be clearly heard in our classroom. |
| [ ] |
A．being decorated
B．having been decorated
C．to be decorated
D．decorated |
答案
| A |
举一反三
| The silence of the library is sometimes broken by a sudden cough or the sound of pages ________. |
| [ ] |
A．turning
B．turned
C．being turned
D．having turned |
| to hospital in time, the patients infected with bird flu were saved at last. |
| [ ] |
A．Having been taken
B．Taking
C．Being taken
D．Having taken |
－What made little Tony so unhappy and cry in his room?
－____to go hiking with his brother. |
| [ ] |
A．Having not been allowed
B．Not having allowed
C．Having not allowed
D．Not having been allowed |
The country has already sent up three unmanned spacecrafts, the most recent at the
end of last March. |
| [ ] |
A．has been launched
B．having been launched
C．being launched
D．to be launched |
| At the beginning of class, the raise of desks could be heard outside the classroom. |
| [ ] |
A. opened and closed
B. to be opened and closed
C. being opened and closed
D. to open and close |
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