Khi bọn trẻ ở đó thì con sư tử đã làm gì? – Nó đã gầm lớn.

What did the tiger do when the children were there? – It roared loudly.

What did the tiger do when you were there? – It roared loudly.

What did the tiger do when the children were there? – It ate slowly.

What did the lion do when the children were there? – It roared slowly.