（ ）| A．The old tree is three hundred and seventy-eight years old. |
| B．The old tree is seven hundred and eighty-three years old. |
（ ）| A．Bill can’t ride a bike. It’s difficult. |
| B．Bill can ride a bike. It’s easy. |
（ ）| A．Jill hurts her head. Jack hurts his arm. |
| B．Jill hurts her head, but Jack is okay. |
| 1． |
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| 2． |
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| 3． |
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| 4． |
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| 5． |
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| A．is | B．are | C．do |
| A．eight hundred | B．eight hundreds | C．hundred of |
| A．are | B．is | C．do |
| A．are | B．is | C．have |
| A．is visiting | B．are visiting | C．do visiting |
| A．years | B．year | C．months |
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