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¡¡¡¡1. The teacher is coming. Would you mind ______ (clean) the blackboard?
¡¡¡¡2. The river is very dirty. It smells ________ (terrible). It is _____ (terrible) polluted.
¡¡¡¡3. Last night he watched an ________ (excite) football match on TV, and he was so ________ (excite) that he couldn’t get to sleep.