Steps must be taken ______this kind of disaster will never happen again.
| A．because | B．even if | C．as | D．so that |
相关试题
When the police appeared, the excited crowd surrounded them________all directions.
| A．to | B．in | C．from | D．under |
The day he was looking forward to________.
A had come B came C coming D being come
We arranged to meet at 8:00, but she never ______.
| A．turned down | B．turned off | C．turned over | D．turned up |
My English-Chinese dictionary has disappeared. Who_____ have taken it ?
| A．should | B．must | C．would | D．could |
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