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red cross mustn't lines must with |
(J=Jim, M=Mum)
M: I'm going shopping, Jim.
J: May I go you?
M: Yes, but you run in the street.
J: OK.
M: Look at the light. We mustn't cross the street now.
J: OK.
M: Now the light is green. We can the street.
J: Yes.
M: Look at these white. We must cross the street here.
J: Oh, I see.
