Viết câu có nghĩa không đổi: David went home before we arrived

1. David went home before we arrived.
When we ……………………………………………………………………………..
After ………………………………………………………………………………….
2. We had snack then we had a look around the shops.
After……………………………………………………………………………………
3. I went to the zoo last year and that was where I saw a real tiger for the first time.
Before …………………………………………………………………………………..
4. The man was poor so he could not afford accommodation.
If ………………………………………………………………………………………..
5. My teacher gave me a lot of homework.
I wish……………………………………………………………………………………
6. She didn’t take that job in the city because his home was very far from there.
If his home …………………………………………………………………………….