=>
I/
1. watches
2. are teaching
3. have not  written
4. rains/will cancel
5. had
6. closing
7. were you doing
8. met/would you do

II/
1. My bicycle was stolen yesterday.
2. The traffic regulations must be obeyed.
3. Football is played by people in all parts of the world.
4. That building is being pulled down to make way for a new road.
5. The drawer has been locked, and it can't be opened.
III/
1. The foreign tourists said that they were having a wonderful time there.
2. I asked Nga if she loved those flowers.