1. Answer: Did you like Star Wars? B: I don’t know. I see this movie never

2. Put in the blanks necessary words and word-combinations in the brackets:

1. Chemical changes are the matter changes in which a change of composition take place

2. It is essential take place you finish the experiment in time.

3. This substance will not change its properties unless you to take it to a chemical change.

4. It take place a chemical change to convert iron rust.

5. A chemical change is necessary whether. The iron rust back into iron again.

3.Create negative and interrogative forms of the following statements.

1. I have met him before. have I met him before. I had never met him before

2. They learned a new rule. Did they learn the new rules? They have not learned the new rules.

3. The child woke up. Did the child wake up? The boy did not wake up

4. He finished his work. Did he finish his job? He did not finish his work

5. He made this mistake before .Did he make this mistake before? he had never made that mistake before

6. They walked a long way today. Did they walk long distances today? They didn’t walk long today.