To answer a three marker question, all you have to do I think quote and repeat it one more time.
Why do you think that Willie was nervous? I think that Willie was feeling nervous because Mr Tom was talking cruelly to him.
In the text it says, ‘repeated Tom harshly.’
I think Willie was feeling nervous because he was in a new place.
In the text it says, ‘It took a few seconds for his eyes to adjust from the brilliant sunshine he had left to the comparative darkness of the cottage.’