精选优质文档-倾情为你奉上过去分词专题练习.分析下列过去分词的用法(过去分词做定语,表语以及被动)1. The excited children are opening their Christmas presents.2. This supermarket is now closed.3. The blackboard was broken by Tom.4. She had a worried look on her face because she failed the exam.5. He looked interested in the idea I put forward.6. The machine produced last year are very expensive. Fill the form with proper form.适当形式填空1. The animal and plants that they found there were _ (astonish)2. I was_