Period 2AAsk and answer 略BListen and number1Please don’t litter in the street.2Be careful! The floor is wet.3Can you see the sign over there? It means we can't fish.4It’s dangerous. You can’t go in.5You can’t drink juice here. Please look at the sign.6The sign means there is a school around.7Please don’t smoke at school.8You can’t swim in this river.9The sign means we can’t park our car here.(a 7b 9c 1d 8e 3f 4g 6h 5i 2)CRead and wr

Period 2AAsk and answer 略BListen and number1Please don’t litter in the street.2Be careful! The floor is wet.3Can you see the sign over there? It means we can't fish.4It’s dangerous. You can’t go in.5You can’t drink juice here. Please look at the sign.6The sign means there is a school around.7Please don’t smoke at school.8You can’t swim in this river.9The sign means we can’t park our car here.(a 7b 9c 1d 8e 3f 4g 6h 5i 2)CRead and wr