1 the war-------in 1976.填空broke out ,was broken out 2 many building -----in the last 5 years.填空were set up,has been set up?

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1 the war-------in 1976.填空broke out ,was broken out 2 many building -----in the last 5 years.填空were set up,has been set up?

1 the war-------in 1976.填空broke out ,was broken out 2 many building -----in the last 5 years.填空were set up,has been set up?
1 the war-------in 1976.
填空broke out ,was broken out
2 many building -----in the last 5 years.
填空were set up,has been set up?

1 the war-------in 1976.填空broke out ,was broken out 2 many building -----in the last 5 years.填空were set up,has been set up?
1.broke out 时态:一般过去时
2.has been set up 时态:现在完成时,由in the last 5 years可知“在最近5年里”

1.the war----broke out ---in 1976.
2. many building --has been set up---in the last 5 years.
in 1976.是过去一个确切的时间,故用一般过去式。
in the last 5 years是现在完成时的标志性短语。

was broken out
has been set up

1. was broken out
这个句子有过去的具体的某个时间,1976年,所以用过去式表达即可。
2. has been set up
这个句子表达的意思是“很多房子在最近5年建立起来了."很明显是一个现在完成时,所以用后者
希望对你有用·~

1 broke out 战争爆发,不需要被动
2 has been set up in the last 5 years现在时间状语完成时