Underline the correct verb

题目

Underline the correct verb
1,He's an interesting man.He lived/has lived in many different parts of china.
2,We have/are having three English lessons a week.
3,Everyone knows that the sun is rising/rises in the east.
4,Oh no!That old man fell down/has fallen down and hurt himself.
5,This is wrong.You make/are making a mistake.
6,I had/have had two serious accidents in my life.

答案

1 has lived
2 have
3 rises
4 fell down
5 make
6 had
完成时表示过去的动作对现在产生的影响,而1、4、6只是陈述一件事,没必要用完成时；
现在进行时表示正在进行的动作,可能只是现在特有的或只是现在进行的动作,而2、5只是说明一件事,一个事实,这个事实是（一段时间内）长期存在有效的；至于3,这是一个客观真理,必须用一般时态.、