I’m going to study computer science课件1

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I’m going to study computer science课件2

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What’s the highest mountain in the world课件14

I’ve had this bike for three years课件4

I’m more outgoing than my sister课件

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I’m going to study computer science课件4

I’ve had this bike for three years课件3

Have you read Treasure Island yet课件3

Have you read Treasure Island yet课件4

Have you read Treasure Island yet课件6

I’m going to study computer课件4

I’m going to study computer课件2

Have you read Treasure Island yet课件5

What’s the matter课件3

I’m going to study computer课件5

What’s the matter课件2

Will people have robots课件2

Where did you g o on vacation课件1

Will people have robots课件3

I’ve had this bike for three years课件1

I’ve had this bike for three years课件2

When was he born课件4

Where did you g o on vacation课件3

How much are these socks课件7

Where did you g o on vacation课件2

When was he born课件3

What’s the matter课件6