13. Although she is my old acquaintance, she can't understand me.

14. If you don't study hard, you won't pass the exam.

15. Nobody in his class can speak more fluently than Nam.

16. She asked Tom why he didn't take a bus.

17. Although he works very hard, he can't support his large family.

18. If the boy didn't eat too many cakes, he wouldn't feel sick.

19. The last time I heard her was 2 years ago.

20. If I weren't feeling sick, I could go with you tonight.

21. Nga asked me where I could buy new clothes.

Mk gửi bạn đáp án!!

13. Although she is my old acquaintance, she can't understand me.

14. If you don't study hard, you won't pass the exam.

15. Nobody in his class can speak more fluently than Nam.

16. She asked Tom why he didn't take a bus.

17. Although he works very hard, he can't support his large family.

18. If the boy didn't eat too many cakes, he wouldn't feel sick.

19. The last time I heard her was 2 years ago.

20. If I weren't feeling sick, I could go with you tonight.

21. Nga asked me where I could buy new clothes.

#chuchoctot

Xin hay nhất ạ!!!