— He’s often seen to help others, ?
— . He’s helpful. We all like him.
| A．hasn’t, No | B．isn’t, Yes |
| C．hasn’t, Yes | D．isn’t, No |
— He’s often seen to help others, ?
— . He’s helpful. We all like him.
| A．hasn’t, No | B．isn’t, Yes |
| C．hasn’t, Yes | D．isn’t, No |
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