题目内容：

This problem was much more difficult than i ____ (expect).

优质解答

This problem 【was信息词】 much more difficult than I【had expected】 (expect).句子意思：这个问题比我当时估计的难得多.信息词：was一般过去时态句子意思对比：比【此前估计】的难得多,表明【估计】这个动作发...