题文
—Tony, come down and help me with the heavy box!
—Come on! I__________ all day long. Get Peter to do that!
| A．work |
| B．had been working |
| C．had worked |
| D．have been working |
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—Tony, come down and help me with the heavy box!
—Come on! I__________ all day long. Get Peter to do that!
| A．work |
| B．had been working |
| C．had worked |
| D．have been working |
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