11. It is not good to stay up so late to listen to music..........
A. is it
B. isn't it
C. it is
12. The Vietnamese celebrate Tet at different times each year,...............
A. They do
B. they don't
C. don't they
13. We use----------for things that are good to do.
A. will
B. won't
C. should
14.Should we-----the furniture before Tet?
A. Plant
B. clean
C. give
15.-----------is the first person to enter your home after New Year's Eve.
A. The fairy
B. The rooster
C. The first footer