Given below are sentences that use discourse markers/expressions to make them complete. Identify the most appropriate discourse marker/expression and mark your answer accordingly in the Answer Sheet: __________ the wind, it was getting stronger, and I was getting colder.

Step-by-step solution

The phrase 'Speaking of' is used as a discourse marker to introduce a topic that is related to the current situation or something that has just been mentioned. In this context, 'Speaking of the wind' correctly introduces the subject of the wind before describing its increasing strength and the resulting coldness. The other options do not fit grammatically or contextually. 'To begin with' and 'First of all' are used to list points, while 'By the way' would require a comma immediately after it and does not connect sm