1.Yesterday Mr.Zhang had a barber cut his hair.
-> Yesterday Mr.Zhang had his hair cut.
cut 過去分詞 cut,have sth.done 將什么事做了
2.The bridge which was built in the past is still in good condition.
-> The bridge built in the past is still in good condition.
將從句主謂去掉即可,build 過去分詞 built 表示被動的意思
3.Though he was laughed at by many people ,he continued his study.
-> Though laughed at by many people,he continued his study.
同上改法,laugh 過去分詞 laughed 表示被動的意思
4.We don't want human cloning that are produced by scientists to replace us one day.
-> We don't want human cloning produced by scientists to replace us one day.
同上改法,produce 過去分詞 produced 表示被動的意思
5.Many people believe that the problems that are created by cloning will soon be clear.
-> Many people believe that the problems created by cloning will soon be clear.
同上改法,creat 過去分詞 created 表示被動的意思