Viết lại câu sao cho nghĩa không đổi: 1) People believe that he was killed by terrorists. 2) We know that they live in a small flat in the fifth. 3) The say exericise is good for health. 4) The have sent that money to the poor families

Đề bài: viết lại câu nghĩa không thay đổi (viết lại bằng 2 cách)
1, people believe that he was killed by terrorists 
2,we know that they live in a small flat in the fifth
3, the say exericise is good for health
4, the have sent that money to the poor families
5, You need to out your hair
6, he is repairing my car now
7, Are you making tea?
8, I usually get my mother to wash my clothes
9, how long have you used this bike?
10, I must leave a message
11, My father used to takee to the park on Sundays
12,  I will be waiting for you this time tomorrow
13, Did you finish the work on time? 
14, I have never written a letter to my find, I friend phone
15, They are going to introduce a new style of feans next month
16, I want you to help me