1. B
2. C
3. A
4. B
vâng ạ
did
Drank
Cleaned
Spoke
Took
watched
Ate
woke up
C
B
C
C
C
C
D
C
vâng ạ
21 km/h = 350m/phút
may = my
what did you do last Sunday?
she would like to look after old people.