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Make up the sentences.
1 Martha is playing. She began to play four hours ago.She ... for four hours.
2 Kevin is learning French. He started learning French in November. He ... since November.
3 Peter is looking for new job. He started looking three months ago. Peter ... for three months.
4 Christen is working in Tokyo. She started working in Tokyo on 29 March. Christen ... since 29 March.
5 Michael smokes. He began to smoke six years ago. Michael ... for six years. 

1 has been playing
2 has been learning
3  has been looking
4 has been working    
 5 has been smoking