A Correct the mistake in each sentence.Example: My father working in

A Correct the mistake in each sentence.

Example:
My father working in a supermarket when he met my mother for the first time.
My father was working in a supermarket when he met my mother for the first time.

1 Learned you English when you were at school?
Did you learn English when you were at school?
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2 I was buying a new English dictionary last Saturday.
I bought a new English dictionary last Saturday.
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3 This time last year I travelled around South America.
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4 I was cooking dinner last night when suddenly my mobile phone was ringing.
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5 The train already left the station when I arrived, so I had to wait for the next one.
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