I’ve had this bike for three years课件2

I’ve had this bike for three years课件1

What’s the matter课件8

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Where did you g o on vacation课件1

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I’m going to study computer课件4

What’s the best movie theater课件3

I’m going to study computer science课件4

What’s the best movie theater课件2

Where did you g o on vacation课件3

When was he born课件4

I’m more outgoing than my sister课件

I’m going to study computer science课件2

What’s the highest mountain in the world课件16

Have you read Treasure Island yet课件6

Have you read Treasure Island yet课件5

I’m going to study computer课件2

When was he born课件3

What’s the matter课件9

How much are these socks课件5

I’m going to study computer science课件3

I’m going to study computer课件6

I’m going to study computer课件1

What’s the matter课件7

When was he born课件2

How much are these socks课件4

When was he born课件1

Will people have robots课件2

I’m going to study computer science课件1