上午用英文怎么表達？簡寫

　　Polling has been heavy since 8 a.m.

　　從早上8點以來投票很踴躍。

　　I book a wake-up call for 4:45 a.m.

　　我預訂了凌晨4點45分的叫醒電話。

　　I rushed to get the 7:00 a.m. train.

　　我急急忙忙去趕早上7點的火車。