1. Has known
2. Haven't lived
3. Bought
4. Did you go
V.
1. T
2. F
3. T
4. F
VI.
1. Nga told Lan to open the door for her
2. The doctor said that Mr Brown should go jogging every morning
3. The teacher asked me not to make my parents unhappy
4. Nam is excellent enough to do this difdicult exercise
5. I have learned English since 2005
6. My mother began working in this hospital in 2000
7. My mother told me not to forget to close the window
8. Mr Robison is rich enough to buy that car
9. The doctor said Mr Quang not to smoke
VII.
1. themself -> themselves
2. putting -> put
3. invents -> invented
4. to tell -> telling
5. carrying -> to carry
6. does -> do
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