A :________ B : Thank you.
| A．This rubber is for Helen |
| B．This rubber is for you, Helen |
| C．Here's a rubber for Helen |
| D．Not at all |
A :________ B : Thank you.
| A．This rubber is for Helen |
| B．This rubber is for you, Helen |
| C．Here's a rubber for Helen |
| D．Not at all |
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