$@angelinazuize$

$#hoidap247$

$#We are doing my best$

3. Tet is the time for us to worship our ancestors. It’s a time for family reunion. (moreover)
→Tet is the tume for us to worship our ancestors; moreover it's a time for family reunion.

$S_1$ + $V_1$ ; moreover, $S_2$ + $V_2$
4. I was in England. I was lucky  to join the Glastonbury Festival. (while)
→While I was in England, I was lucky to join the Glastonbury Festival.

While $S_1$ + $V_1$, $S_2$ + $V_2$.

3.Tet is a time for us to worship our ancestors; moreover, it is also a time for family reunion.

Tạm dịch : Tết là lễ hội quan trọng nhất ở Việt Nam, vì vậy hầu hết người Việt Nam đều trở về nhà vào dịp Tết.

4. When/While I was in England, I was lucky to join the Glastonbury Festival.

Tạm dịch: Khi tôi ở Anh, tôi đã may mắn tham gia lễ hội Glastonbury.