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Read the dialogue. Say what martin has done. Was his mother surprised? Why?

 - Hello , dear !
- Hi , Mum
 - How are you ? What are you doing ?
 - Oh , I am doing the washing up .
- You are doing the washing up ? Really ? Super !
 - I have already cleaned my room and watered the flowers .
- You have cleaned your room . What a surprise !
- Yes , I have . I have also gone shopping and bought some apples , oranges and bananas. I haven’t made an apple pie yet . But I am going to make one this evening .
-An apple pie ? Goodness ! And what about your homework ?
-I have just done it .
 -I can not believe it ! Any bad marks at school today ?
-No , I have got an «excellent » in Maths.
- What has happened to you , then ? Are you OK ?
- I am fine ! Take it easy . It is all just a joke . Today is the 1 st of April !
-Bingo ! You got me !