Choose the correct answer

----- Nội dung dịch tự động từ ảnh -----
1. The festival only lasted for three days;
- they spent nearly a month preparing for it
a. when
b. moreover
c. otherwise
d. however
2. Festival are very costly, ...
..they are cultural significant.
A. or
B. and
C. so
D. but
3. I had to go to school that day,
I couldn't join the ritual.
....
A. or
B. but
C. and
D. therefore
4. Festivals can be dangerous;
they may affect the environment.
A. and
B. moreover
C. nevertheless
D. but
5. In Vietnam, .. .you have a generous and kind- hearted first person to enter the house,
you will have a successful year ahead.
........
A. unless
В. if
C. even though
D. while