题文
The question is easy ______,so I don't think it's necessary to ask you for help.
| A．to answer |
| B．to be answered |
| C．to answer it |
| D．answering it |
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The question is easy ______,so I don't think it's necessary to ask you for help.
| A．to answer |
| B．to be answered |
| C．to answer it |
| D．answering it |
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