对下列句子的划线部分提问。

1.We're going to get there by bike.

    _____ you going to get there?

2. He's going to leave next week.

    _____ he going to leave?

3. My brother usually goes to school by bike.

    _____ your brother go to school?

4. I can see eight pandas in the picture. 

   _____ pandas _____ you see in the picture?

5. The tigers are eating meat. 

    _____ the tigers _____?

甲与乙订立合同，但由于丙的原因甲未能向乙完全履行，则( )。

A．甲向乙承担违约责任

B．丙向乙承担违约责任

C．甲和乙共同向丙承担违约责任

D．甲和丙均不向乙承担违约责任