相关试题
The music sounded， the end of the class．
| A．indicating | B．indicated | C．to indicate | D．indicate |
Carbon
dioxide from burning fuels is the most common of the so-called greenhouse gases.
| A．produced | B．producing | C．to be produced | D．having been produced |
Staring at the priceless diamond amazement, Mary dreamt of getting one．
| A．with | B．by | C．at | D．in |
Tom with his grandmother for eight years，but now he is living by himself.
| A．lives | B．1ived | C．has lived | D．has been living |
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