Proofread the following extract and insert one colon and one semicolon in order to punctuate it correctly.

2012andFebruary2017.,2012-17PublicO pinionResults,2009-17;,2005-17.

This paper provides a summary of evidence on change in cycling and physical activity in five towns following the first phase of the Department for Transport cycling investment program between October 2012 and February 2017. It draws on three separately published volumes so evidence Demonstration Towns monitoring report, 2012-17 Public Opinion Results, 2009-17; and Cycling Demonstration Surveys of Physical Activity,2005-17.

Explanation:

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the correct answer is a. how to make proposal that works.

indeed, the register is quite formal and the tone is especially objective as it avoids the use of the first and second person singular (i, you) and opts instead for the third person plural which is more impersonal and focuses on the data and the argument that is being developed by the author. the formality adds the impression of respectability to the work and the impersonality adds objectivity to it.