Sentence structure — Test 1

Correct Answer: A. While inspecting the record, I found a discrepancy.
Explanation: The modifier must refer to the doer ('I'), which must be the subject of the main clause.

Correct Answer: D. The officer was asked to verify the record, prepare the summary and submit it.
Explanation: Items in a series must share the same grammatical form (to verify, (to) prepare, (to) submit).