37.She is not young. She is not inexperienced.(parallel structure)

She is neither young nor inexperienced.

38.His vision begins to fade. He knows he’d better get some rest.(complex sentence)

Since his vision begins to fade, he knows he’d better get some rest.

39.She arrived in London. She visited her teacher whom she had not seen since her graduation.(simple sentence beginning with prepositional phrase)

On her arrival in London, she visited her teacher whom she had not seen since her graduation.

40.The rescuers were careful as they handled the rope. They lowered the frightened climber from the edge.(simple sentence with by-phrase beginning with carefully)

By carefully handling the rope, the rescuers lowered the frightened climber from the edge.

41.The sun went down. We stayed on the beach.(complex sentence)

Until the sun went down, we stayed on the beach.

42.His car went through the automated car. Harry watched from the sidelines. Floppy brushes slapped the car’s doors. Sprays of water squirted onto the roof.(compound complex sentence)

When his car went through the automated car, Harry watched from the sidelines and saw floppy brushes slapped the car’s doors and sprays of water squirted onto the roof.

43.Gena had worn glasses for fifteen years. She decided to get contact lenses. She would be able to see better. She would look more glamorous.(complex sentences)

After she had worn glasses for fifteen years, Gena decided to get contact lenses, with which she would be able to see better and would look more glamorous.