YOU SAID:

Shots were heard at two o'clock, and again at seven o'clock.

INTO JAPANESE

2時に銃声が聞こえ、7時にまた銃声が聞こえた。

BACK INTO ENGLISH

At 2 o'clock I heard a gunshot, and at 7 o'clock I heard another gunshot.

INTO JAPANESE

2時に銃声が聞こえ、7時にまた銃声が聞こえました。

BACK INTO ENGLISH

At 2 o'clock I heard a gunshot, and at 7 o'clock I heard another gunshot.