The government has to close those small factories to prevent the water of the river ______.
| A．polluting | B．from polluting |
| C．being polluted | D．polluted |
相关试题
----Honey, let’s go out for dinner.
-----I don’t have to cook.
| A．Forgot it! | B．That’s great! | C．Why? | D．Go ahead! |
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