问题补充:
--- I’d like to introduce my best friend to you , Peter .
---- Thank you , Lucy . But we already .
A. meet
B. met
C. will meet
D. have met
答案:
A. meet
B. met
C. will meet
(答案→)D. have met
解析:现在完成时用来表示之前已发生或完成的动作或状态,其结果的确和现在有联系。动作或状态发生在过去但它的影响现在还存在;也可表示持续到现在的动作或状态。其构成: have (has) +过去分词。根据语境可知此句的含义是我们已经认识了,因主语是we,故用助动词have not+过去分词,故选D