题目内容
4.We on it for several hours but we haven't yet reached any conclusion.( )A. | are working | B. | work | ||
C. | have been worked | D. | have been working |
分析 我们一直努力了好几个小时,但是至今善未得出任何的结论.
解答 答案:D.根据but后的现在完成时态,可以判断出到现在还没有得出结论,有可能还要继续下去,所以要现在完成进行时..C表示现在完成时的被动态,与题意不符.
点评 考查现在完成进行时.
reach vt.到达,达到,伸出,影响 vi.达到,延伸,伸出手,传开.
1.reach after 努力谋求,竭力达到 伸手想抓
2.reach back 回忆,回顾
3.reach for 伸出手去抓
4.reach out 伸手拿[抓]; 伸向前; 追求; 伸出援助之手,提供援助
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