问题描述：
1.These is a lot of traffic in the street .（同义句）The traffic ____very ____in the street .
2.Turn left at the first turning.（同义句）____the first turning____the left.
3.Mary sits on my left.=I sit on ____ ____ ____Mary.
2.Turn left at the first turning.（同义句）____the first turning____the left.
3.Mary sits on my left.=I sit on ____ ____ ____Mary.
问题解答：
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