My family are having lumch at home.(family在这里指家庭成员)
Everyone is our class likes English .（主语是everyone 为单数）
They enioy playing games after school.（enjoy doing ）
We have a party on the evening of December 24.(当具体到某一天时用介词on)
She spends an hour a day doing her homewor(an hour ,h不发音啊)
How do you celebrate the Chinese New Year in Beijing?