20. It's such a difficult word that we can't spell it.

Cấu trúc: It's such + a + adj + N + that + clause.

21. You need to revise new words regularly.

necessary = need to

22. The film ends dramatically.

23. We haven't seen her since Christmas Day.

24. This is the first time I have eaten this kind of food.

Cấu trúc: This is the first time + S + have/has + P2 + ...

25. It has rained for an hour.

26. The last time we visited my grandparents was 2 months ago

27. I began studying English 3 years ago.

28. It's nearly five years since my brother last met his best friend.

29. How long have you learned English?

30. Her work hasn't been finished yet.

31. Jane is the same height as her older sister.

32. Those houses are larger than these ones.

20. It's such a difficult word that we can't spell it.

21. You need to revise new words regularly.

22. The film has a dramatic ending.

23.We haven't seen her since Chrismas day.

24.This is the first time I have ever eaten this kind of food.

25.It has been raining for an hour.

26.The last time we visted our grandparents was two months ago.

27.I began to study Englissh three years ago.

28.It's nearly five years since my brother last saw his best friend.

28.How long have you learnt English?

29..Her work hasn't been finished yet.

30.Jane is the same height as her older sister.

31.Those houses are larger than these houses