The escalator at the railway station is working again, thanks to the effort for our technicians.

elect the most appropriate option to substitute the bold segment in the given sentence. If there is no need to substitute it, select No substitution required.

The escalator at the railway station is working again, thanks to the effort for our technicians.  

1. efforts of our technicians 

2. No substitution required  

3. efforts make by our technicians  

4. efforts from our technicians  

Answer :- efforts of our technicians 

SSC Constable (GD) 2018 - held on 07 March 2019 Morning Shift

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