Choose the word or phrase (A; B; C or D) that best completes the sentence

----- Nội dung dịch tự động từ ảnh -----
11. ___ it often ____ here in the winter?
A. Is... snow B. Is... snowing C. Does... snow D. Does... snows

12. How many Barbie dolls ______ your younger sister ______?
A. are... owning B. is... owning C. do... own D. does... own

13. Watch out! Your puppy _______ into the street!
A. is running B. is running C. run D. runs

14. What ______ she _______ in the kitchen right now? - A carrot cake.
A. does... bake B. is... bake C. does... baking D. is... baking

15. Ken usually _______ to school, but today he _______ a bike.
A. is walking - is riding B. walks - rides C. walks - is riding D. is walking - rides