How much are these socks课件6

I’m going to study computer课件5

What’s the highest mountain in the world课件16

What’s the highest mountain in the world课件14

When was he born课件3

Have you read Treasure Island yet课件6

What’s the matter课件1

What’s the matter课件6

I’ve had this bike for three years课件5

I’ve had this bike for three years课件2

I’ve had this bike for three years课件1

How often do you go on vacation课件

How much are these socks课件7

What’s the matter课件8

I’m going to study computer课件3

What’s the matter课件7

What’s the matter课件3

I’ve had this bike for three years课件3

Where did you g o on vacation课件2

I’m going to study computer课件2

I’ve had this bike for three years课件4

What’s the matter课件9

What’s the matter课件10

Will people have robots课件2

I’m going to study computer课件6

What’s the matter课件4

What’s the highest mountain in the world课件15

What’s the matter课件2

I’m going to study computer science课件1

I’m going to study computer课件4