根据句子意思，用括号中所给词的正确形式填空，每空填一词。You will feel happy if you are{#blank#}1{#/blank#} (friend) to others.
Sue lives on the {#blank#}2{#/blank#} (ten) floor, but she walks upstairs every day.
The hottest season is summer, and the{#blank#}3{#/blank#} (cold) is winter in China.
They don't like to eat out. They often cook meals by{#blank#}4{#/blank#} (they) at home.
