Are the following instructions using the preposition 'by' correct?
1. Please indicate your answer by putting a check according to the given response codes.
2. Please supply the needed data by writing your answer on the blank.
The use of 'by'' is OK, but your sentences seem unduly wordy. How about this? 1.
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The use of 'by'' is OK, but your sentences seem unduly wordy.
How about this?
1. Please respond with one of the listed codes.
2. Please write your answer in the blank.