Chọn đáp án sau cho phù hợp

----- Nội dung dịch tự động từ ảnh -----
13. She wanted to know what they _______________
A. doing
B. were doing
C. did
D. had been doing

14. Jenny asked her son where the cat _______________
A. was
B. are
C. have been
D. has been

15. Mimi wanted to know if she _______________
A. was going to the cinema
B. went to the cinema
C. goes to the cinema
D. had gone to the cinema