题目内容
12．Lingling left Linhe two years ago，and I _____ him since then．（ ）| A． | don't see | B． | won't see | C． | didn't see | D． | haven't seen |
分析 玲玲是两年前离开临河的，自从那时起我就没有见过他．
解答 答案：D．根据 since then，可知这里的意思是自从那个时候起，表示从过去以来到现在的情形或状态，常与现在完成时态连用．而现在完成时的构成是：have/has+动词过去分词形式．它的否定式直接在have或has的后面加not．故选D．
点评 本题考查了现在完成时的有关知识．解答时注意现在完成时的构成形式：have/has+动词过去分词．它的否定式直接在have或has的后面加not．
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