Unit 4
- birthday生日June六月May五月September九月November十一月July七月spring春季March三月check ( checked )核查,检查autumn秋季either(用于否定)都不,也不
- call ( called )打电话talk ( talked )谈话,交谈December十二月summer夏季October十月January一月February二月April四月August八月winter冬季season季节