Choose the best answers. Chọn đáp án đúng

Exercise 8. Choose the best answers. Chọn đáp án đúng.
1. Be quiet! Our grandparents
A. is sleeping
B. are sleeping
C. are sleep
D. is sleep
2. My mother
the housework now.
A. isn't do
B. isn't doing
3.
Bill's cousins
C. doing
trees in the garden?
D. not doing
A. Are/planting B. Are/plant
C. Do planting D.x/planting
4. My friends and I
to the café twice a month.
D. are go
A. go
B. goes
C. gos
5. She
watching documentaries.
A. isn't enjoy
B. don't enjoy
C. doesn't enjoy
D. doesn't enjoys
6. What time
Keith have lunch every afternoon?
A. does
B. do
C. is
D. be
7.1
the dishes after meals.
A. am wash usually
B. usually wash
C. usually washes
D. wash usually
8. They
really hard-working at school.
A. don't be
B. not be
C. don't are
D. aren't
9. My brother
playing golf now.
A. like
B. is like
C. is liking
D. likes
10. Is she baking cookies now? - Yes, she
A. is
B. does
C. be
D. isn't