1) We ..................... listen to our teacher. a) Should b) Shouldn't 2) We ..................... talk with our friends. a) Should b) Shouldn't 3) We ..................... throw thrash in the trash can. a) Should b) Shouldn't 4) We ................... eat or drink in the library. a) Should b) Shouldn't 5) We ..................... take pictures in the museum. a) Should b) Shouldn't 6) We ..................... be quiet during the lesson. a) Should b) Shouldn't 7) We ..................... be late. a) Should b) Shouldn't

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