PEP Book 7 三时态特殊疑问句练习 What are you doing now? I am reading books now. What are they doing now? They are reading books now. What are we doing now? We are reading books now. What is he doing now? He is reading books now. What is she doing now? She is reading books now. 句子结构：人称+be 动词+Ving 形式( 现在进行时) Where are you going now? I am going to the park. Where are they going now? They are going to the park. Where are we going now? We are going to the park. Where is he going now? He is going to the park. W
