用“let' s/please/don't"的正确形式填空,使句意保持完整。
1．Mum: Ann, ________go shopping.
Ann: OK.
Mum: _________look at the red light. ________cross the street now.
Ann: We must wait until it is green.
Mum: Now the light is green. We can cross the street.
2．Jim: Can I go with you?
Mum: Yes, you can, but ________run on the street.
Jim: OK, ________go.
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