根據(jù)標點,用現(xiàn)在進行時態(tài)連詞成句。
1. he, do, his, homework       
                                                                      .    
2. they, what, talk, about      
                                                                     ?    
3. Bob, talk, on, phone, the      
                                                                     .    
4. Tom, Jim, talk, to, who, and       
                                                                     ?    
5. What, do, you      
                                                                     ?
1. He is doing his homework
2. What are they talking about
3. Bob is talking on the phone
4. Who is talking to Tom and Jim
5. What are you doing
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