不加词就可以成句: My dog helped me carry my husband's slippers yesterday.昨天我家的狗帮我给我先生拿拖鞋了 加一个词也可以: My dog helped me carry my husband's slippers yesterday morning.昨天早晨我家的狗帮我给我先生拿拖鞋了 My dog helped me to (这里to可有可无) carry my husband's slippers yesterday.昨天我家的狗帮我给我先生拿拖鞋了 help someone (to) do something 帮某人做某事