题目内容
2．All these years，he _________ on his novel which will be published next year．（ ）| A． | focused | B． | had been focusing | ||
| C． | has been focusing | D． | was focusing |
分析 这些年来，他一直专注于明年将要出版的小说．
解答 答案是C．本题考查现在完成进行时．题干中"all these years"是与现在相联系的段时间，是现在完成时的标志，故排除A、B和D；现在完成进行时表示从过去某时开始到现在这一段时间里一直延续着的动作还在继续进行；根据语境判断，小说明年出版，所以专注于小说的状态还在进行中，故选C．
点评 完成进行时的解题首先要理解其时态的基本用法--表示从过去某时开始到现在这一段时间里一直延续着的动作，特别关注其"在进行中"的特征；然后在语境中寻找动作的时间依据进行判断．
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