选出正确的答句。

A.Yes, they are bad for us.

B.Because I have to do my homework.

C.He works in a big ship.

D.By metro.

E.I go there on foot.

()1. Why can't you go to the cinema? 

()2. How do you go the library?      

()3. How does she go to school?     

()4. Where does your uncle work?    

()5. Are they bad for us?