Give the correct form of the following words

1. Factories (not dump) ______________waste into rivers if the government fines them heavily.

2.I (watch) ________________ a science fiction film on TV at 9 .00 tonight.

3. Many houses (destroy) ________________in the hurricane last night in Nghe An.

4. By the time the police came , the thief (leave) _______________

5. Don’t forget ( turn) _______________ off the lights before going to bed.

V. Give the correct form of the word .

1. Thomas Edison was one of the greatest______________of the world.      ( invent) )          

2. There are a lot of______________ differences .                                        (culture )                                                

3. ______________pollution  has risen day by day.                                  ( environment )                               

4. There have been major new ______________ in space reseach.          ( develop )             

5.My friend said he really enjoyed doing____________ experiments and finding out how things worked.                                                                                   (science)