Question

3. By the time I saw the angry expression on his face,I knew exactly what I was having to face. But not for a moment        I should quit (think)

当我看见他脸上的愤怒时，我确切地知道我得面对什么。但我从没想过我该放弃。

Answer 1

3. did I think含否定意义的短语not for a moment位于句首时，句子应用部分倒装；因为讲述的是过去之事，因此应用过去时态。