I’ve had this bike for three years课件2

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I’m going to study computer science课件2

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I’ve had this bike for three years课件3

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I’m going to study computer课件4

When was he born课件1

I’ve had this bike for three years课件1

I’ve had this bike for three years课件4

What’s the matter课件8

I’m going to study computer课件6

When was he born课件3

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What’s the matter课件3

Have you read Treasure Island yet课件4

I’m going to study computer课件1

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I’m going to study computer science课件3

I’ve had this bike for three years课件5

Where did you g o on vacation课件3

When was he born课件4

Have you read Treasure Island yet课件3

When was he born课件2