根据汉语完成句子。People _______ _______ ______(和... ...握手)each other when they meet.
Mary is _______ ________ ________(对我很友好)。
It was great ______ _______ ________ ________(收到你的来信)。
Thank you for _______ ______ ______ ________.（告诉我如此多）
I enjoy ________ _______,（做运动）especially tennis.