Ответьте пожалуйста !!Времена : Past Simple vs Present Perfect​

Question

Ответьте пожалуйста !!Времена : Past Simple vs Present Perfect​

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Answer 1

My mum has bought a lot of sweets this week

My mum bought a lot of  sweets yesterday

I have ridden a bike since i was 7.

She has read that book today.