3) Read and correct the underlined words:

1- The crew of the ship sent a letter for help.

2- Columbus discovered Africa.

3- You needn’t disobey your parents.

4- She can’t have passed the test. She is very happy.

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4) Write what you would say in each of the following situations:

1- You see a thief running in the street.

2- You are almost sure your father forgot his mobile phone somewhere.

3- Your friend didn’t help a friend in trouble. You advise him.

4- Students say Ali stole a calculator. You are quite sure he didn’t.