11. My daughter is learning to play _______ violin at her school .
A. a
B. an
C. x
D. the
12. Please give me ______ pen that is on the counter .
A. a
B. an
C. the
D. X
13. Our neighbour has ________ cat and _______ dog .
A. a/a
B. an/a
C. the/the
D. X/X
14. It's _________ funniest book that I have ever read
A. a
B. an
C. the
D. X
15. I usually go to school by _____________ bike
A. a
B. an
C. X
D. the
Chúc bạn học tốt !
Lưu ý : dùng a/an vào danh từ là chưa xác định được nên ngược lại với ''the''
