or We were flying for several hours before we arrived in London. The first ( had been flying ) is much more natural sounding. layla1234 He is undergoing a 4 week training program/practice at the moment.
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layla1234Which of the two following sentences is correct?We had been flying for several hours before we arrived in London.or We were flying for several hours before we arrived in London.The first (had been flying) is much more natural sounding.
layla1234He is undergoing a 4 week training program/practice at the moment. I mean