帮忙写一篇英语小短文 大概80单词

My father is very tall.But he was very short,when he is small.He is study hardly before.And he is clever.
One day,he had a picnic with his friend,Mike,Jack,Tom and so on is his friend.They had picnic at the beach.
They are very happy.Tom swam in the sea.Mike read the newspaper on the beach.And Jack ate the food on the beach.
Everybody on the beach were all happy.