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1. ...............woman and her daughter sat next to me on the train. ............woman was in her mid-twenties and her little girl was about two.
2. ................. adolescence can be a challenging time for people.
3. .............. sky is getting very dark.
4. The only people in the park were ..............elderly man and two middle-aged women. 
5. ................ human beings like spending time with each other.
6. I found ................wallet on ..............bus this morning.
7. I don't particularly like.............cats.