Dear David,
How are you? My sister Lily and I are in London now. We are in Grandpa's home. He has a big farm. There are a lot of animals and vegetables on the farm. Look! The tomatoes are big and red. The potatoes are round and brown. The hens are fat. They are so cute. There are thirteen cows and seven horses on the farm. Every morning we get up early. We want to feed the hens and milk the cows with Grandpa. But we can't, because(因为) it's always rainy here. We can't go outside. We have to stay at home. It's so bad. I don't like it. Tomorrow I will go back to New York. See you!
Love,
John