Time____(fly).Two years_____(passed) since I saw him last time
问题描述：
Time____(fly).Two years_____(passed) since I saw him last time
答
Time flies (fly).Two years have passed (passed) since I saw him last time.
一般情况下，时间、金钱当主语时，谓语动词用单数，但在本句中，表达多少年过去了，习惯用have passed。
答
flies has passed