D
29.B
30.D
31.A
32.C
1.F
2.T
3.T
4.F
safety
pleasure
laughing
over?
foreign languages did he teach
1.on
2.if
3.apart
4.which
5.does
6.a
A
is about 5km from the stadium to the parking lot.
chuyển 27.a->d