From the words lettered A to D, choose the word or group of words that best completes each of the following sentences. The soldier _________ his gun on the ...

Answer Details

In the arrangement of tenses, 'when the main clause is in past or past perfect tense, the subordinate clause must be in the past or past perfect tense'.'had' is used to express a past perfect tense as opposed to 'has' which is used to express a present perfect tense