Mn ơi giúp mình với ạ mình đang cần gấp Đề:using relative clause or reduced relative clauses,rewrite the fllowing sentences withot changing their original meanings

6. Air pollution is caused by various pollutants produced by human activites

-> Vế sau là dạng bị động nên rút gọn về V3/ed

8. Dolly was the first animal cloned from an adult somatic cell, using the process of nuclear transfer

-> Giống câu 6

9. H5N1 and H1N1 viruses were deadly bird viruses killing 60 percent of the people it infects

-> Vế sau là dạng chủ động nên rút gọn về Ving

10. The manager wanted to meet the employee being responsible for preparing the monthly sales report

-> Giống câu 9

`6,` Air pollution is caused by various pollutants produced by human activities.

`-` Trước hết, ta chuyển sang MĐQH :

`+` Air pollution is caused by various pollutants which are produced by human activities.

`-` Hai mệnh đề trên đều là câu bị động nên ta rút gọn vế sau:

`-` which are produced by human activities `->` produced by human activities.

`8,` Dolly was the first animal to be cloned from an adult somatic cell, using the process of nuclear transfer.

`+` which bổ nghĩa cho the first.

`-` which was cloned `->` to be cloned

`9,` H5N1 and H1N1 viruses were deadly bird viruses killing 60 per cent of the people it infects.

`-` Trước hết, ta chuyển sang MĐQH :

`+` H5N1 and H1N1 viruses were deadly bird viruses which kill 60 per cent of the people it infects.

`-` Hai mệnh đề trên là câu chủ động nên ta rút gọn vế sau và thêm V-ing: 

`-` which kill 60 per cent of the people it infects `->` killing 60 per cent of the people it infects.

`10,` The manager wanted to meet the employee responsible for preparing the final sales report.

`-` Trước hết, ta chuyển sang MĐQH :

`+` The manager wanted to meet the employee who is responsible for preparing the final sales report.

`-` Sau đó ta rút gọn vế có MĐQH:

`-` who is responsible for preparing the final sales report `->` responsible for preparing the final sales report.