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理中 ). (repair) 答案: is being repaired/is under repair 3. It is reported that a new airport in Kunming which ____________(正在建設(shè)中 )falls down. (build) 答案: is being built 4. He noticed that he ________________(有人跟蹤他 )by a strange man when he was walking in the street.(follow) 答案: was being followed 5. The cause of the accident ________________(正在調(diào)查中 )so you needn39。t worry. (look into) 答案: is being looked into 三、用所給動詞的適當(dāng)時態(tài)及語態(tài)填空 A new factory (build) near my trees (cut) down and the ground has been many materials (transport) he