Complete the conversation. 26. Can you help me with my English

Complete the conversation.
26.
Can you help me with my English homework?
A:Its not ready
B: Why cant you?
C: I dont understand it myself.
27.
I am hungry. Lets go to the canteen to eat something.
A: Quite sure!
B: Good idea!
C: Its great!
28.
Are you free this Wednesday?
A: Not very often!
B: Not until the evening!
C: Not long now!
29.
Ill wait for you outside the school.
A: Can we meet somewhere else?
B: Do you know how to do it?
C: Are you sure you went there?
30.
Oh no, Ive lost my mobile phone?
A: Have you seen it before?
B: Have you looked in your bag?
C: Have you got it?